File:The illustrated natural history (microform) (1863) (20615404376).jpg

Title: The illustrated natural history (microform)
Identifier: cihm_50039 (find matches)
Year: 1863 (1860s)
Authors: Wood, J. G. (John George), 1827-1889
Subjects: Reptiles; Fishes; Mollusks; Natural history; Reptiles; Poissons; Mollusques; Sciences naturelles
Publisher: London : Routledge, Warne, and Routledge
Contributing Library: www.flickr.com/search/?tags=bookcontributorCanadiana_org
Digitizing Sponsor: University of Alberta Libraries

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like the sluHl .socid-vessol of soiiiu ))l(uit, and (he msfiiil.Liiict! is increased bv its ,,.1, green colonr. ^ 1'" Tlie IVn.ale is considevdM.y lar-er Hum tlie nude, and nuiy at once be known liyU,, l.laek spot on eacl. side (.1 llu' aLdonien. ^ ^ The ('AMiir.-^, wliicli is sliowii at \vj^. P., is wlvnvd to anotlier family Jliis crealtiiy is mostly found upon the eodlish and lirill, and dincre the.r concavty is l.uun.led l,y a slron- transversely striated inemhra.,'" Ihc fi,i,nire is nuif,>iHhcd about two diameters. Figs. C, B and E represent a remarkalde parasite, adherent to the gills of the lolnt,. This creature belongs to a diilerent tribe, which nuiy In- known by tlu' small and mo'tl blunt head and the long an.l w.dl-i(,n.tr,i autenn.T, The iamily Ergasilid;e have the lie r.mnde.l the oody oval, the abdomrn well developed, and the leet small and l)ranche,l llio L.)i!STER-T.ousE IS sometimcs found in considerable numbers ii.xed to the .nil's „f le lo ,ster, Irom wlneli the femal.^ never moves after she has onee taken a firiii hoi, though the male is more erratie in his habit.s, and swims about as he chooses At fi.- ( it rs shown of Its natural size among the lobster-gills, which are popularly termed"t'l,. ladys fiiiger.s. At fig. l") is seen a magniiled liguro of the f.-male, aii.l a( E a ll-nuv, ' (lie male also enlarged. During lier early youth, the female is not much lai-er tlmutl.c male, bu as soon as sho attache's herself to ),er new home, a pair of strange projcctioni are seen to grow from tlie side, ami by degrees become so large that they seem to constitu^ ine entire creature. I>elow these jirojcctions the egg-sacs are developed. At fig. F is seen a curious parasite that infests tlie .sturgeon. Th(' />/,7/r'Av.//«w,_is rather nu.re than half an inch in length and the twelfth of 11, inch in lireadth. Jhis cn.iture insinuates itself deeply into the skin, nuikin-^ its Mav'tn the bony arches upon whicli the gills are su).ported, but not appearing to touch'th. membranous gills themselves. Sometimes as many as ten or twelve are'taken from a single iish. J jiev can grasi) very firmly Ijy means of their forceps, and are able to turn round M-henever they jileas,;. Thi. curious creature belongs to the order .^f the Leriie'id,. ill which the mouth is formed for suction, and the limbs scarcely visible All tins,' beings are parasitic upon fishes, and are often .so d-eplv buried in'tlu' ti.ssucs lluit tli.. wii(,;.. body IS e,,ncealed and only the egg-bearing tubes suffered to ai.iiear As i.s the case with many ereatnres, especially tlio.se that oceu)n-a low place in th..^ scale s n^qimo l-ig; t. represents the (V/om//•«c,o/////^s^ ,so ealled becau.se its bo.lv is e,.vered with carli- Jagiiions spines or tulierele.s. The name is derive,! fn.ni two ('ireek wonls, the former signilynig cartilage, and the see(,n,; a Ihoni. The In'oad ami ilatteiied en-g-tubes arc sooji I'elow. ^ iliis .strange being is i'oiuid upon the gills of the Jolm I),,ry. ' " At ligs. 11 and I are .seen two most extraordinary beings, which were dise,,veiv.l iimln ho ab.l.aueii ol a lohster. in l,oth these creatu/es (which certainly seem t. belo,,.. t,, tl,. J.erneans), tlie whole (,f the head becomes niodilied into a .set ol'braiiehiiu.- fibres, naioli resembling the roois „f a tree. There is 1,,. mouth wludever, all nouiislmu.nt l«iim raiismitted ihroiigl; these fibivs. They are .,ui(e recent discoverie.s, and afb'r the eir'Taviii^ liaa .eeii juvpared, several of the figures were removed in (rrder U> make wav for fi.rins sn noM'l, so interesting, and so nniipie. 'MovK fish p;MMsites are given in this i liizari'e and uiiexpiTled jbriiis. As be very slight iy treated. our nslratiiiii, niaiiv of them iiosse.ssiii'r the iiinst pace IS rapidly diiiunishiiiLr, Ilicso creatures ma-;! 'WtK

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