File:Journal of entomology and zoology (1918) (14579750219).jpg

Identifier: journalofentomol10pomo (find matches)
Title: Journal of entomology and zoology
Year: 1913 (1910s)
Authors: Pomona College (Claremont, Calif.). Dept. of Zoology
Subjects: Entomology Insects Zoology Zoology
Publisher: Claremont, Calif., U.S.A. : Pomona College Dept. of Zoology
Contributing Library: American Museum of Natural History Library
Digitizing Sponsor: Biodiversity Heritage Library

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ne, 1916. In Fig 16, a and b, show some of themany very striking and deceptive variations which occur in the young. The dottedlines show the distribution of red pigment in the almost clear white carapaces ofthese two specimens. It gives them a very unusual appearance for the usual coloris a uniform dull brown (sometimes purplish) with black claws. These crabs mavbe found at medium low tide by tearing apart the rocks which ha\e been cementedtogether by marine worms, mollusks, etc. The carapace of an adult male measuredmore than eight cm. in width. Itiiliyi hvlcs //(ilosrrii IIS SchmittWhatever respect Nature has for proportion and symmetry must have been laidaside while this species was being formed. It is indeed hard to imagine a moreawkward looking pair of chelipeds than it possesses. Vet it seems to handle them withsome degree of success. They serve as an efficient means of protection of tlie natureof a lid for the cavities in sponges, stones, etc., in which tliese crabs are usuallv
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Poniona C<illege, ClareniDiit, C:ilit<jrnia 41 fmind. The chelipcils are very rough and tlie organic growth which covers themrenders them ditticuh to delect frntn the surroimdings. Fig. IS gives a good idea oftheir form. /*. riiilis Stimp.This has the right claw large. Ilcrhslia fiurrifroiu Rand Only three, two adults and one young, of these virere taken during the summci,but on a visit to the same beach in November I found them very numerous understones at medium low tide. All were young, however. Figs. 19 and 20 show theatiult male, and young. Priia (laiisa Rath. Fig. 21 shows an adult with legs extended, a position in which it is seldomfound. These sluggish creatures live under stones at low tide and if found at allusually have their legs closely folded to them. The entire animal is covered by adense coat of organic growth. Loplidpanopeus leucomanus Lock. This species mentioned in Prof. Hiltons paper is figured herewith. Fig. 22 isan adult female. Fig. 23 is young. This speci

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