File:The wonder of life (1915) (20704962506).jpg

Title: The wonder of life
Identifier: cu31924001012776 (find matches)
Year: 1915 (1910s)
Authors: Thompson, John Arthur, Sir, 1861-1933
Subjects: Biology; Natural history; Zoology
Publisher: London, A. Melrose, Ltd
Contributing Library: Cornell University Library
Digitizing Sponsor: MSN

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76 THE WONDER OF LIFE swimming ' worms', such as Sagitta—^like a glass arrow in the water, a few Holothurians or sea-cucumbers which have departed widely from the prevalent habit of their class, a legion of Crustaceans often of surpassiag beauty of colour and form, a few insects (Halobatidse) the last creatures one would expect, such moUuscs as the sea-butterflies (Pteropods) —dainties which the whalebone whale captures in countless myriads in the great sieve which hangs down from the yawning cavern of its mouth, the similarly light-shelled or shell-less Hetero- pods and many actively swimming cuttlefishes, such as the Argonaut, some Tunicates like the Salps (often swimming gently in long transparent chains) and the ' fire-flame ' (Pyrosoma) famous for its luminescence, numerous fishes such as flying fishes, a few turtles and venomous sea-snakes, such birds as Mother Carey's Chickens and the flightless pen- guins, and among mammals the cetaceans large and small. This abbreviated roll may serve to suggest the representative character of the pelagic fauna. Within the pelagic fauna it seems right to include the petrels, since they are distinc- tively ocean-wanderers, and very seldom come ashore except for breeding. An ancient race, marked by their protruding tubular nostrils and their compound bill of
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Fig. 25.—Halobates, a pelagic insect, one of the Hemiptera. (After Buchanan White.)

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