LIST OF ILLUSTRATIONS 



HALF-VOL. IV 



COLOURED PLATES 



The Coral Snake {Elaps Coraltimis). 



A Study by A. Fairfax Muckley 



Protective Animal Coloration. 



A Study by A. Fairfax Muckley 



, Frontispiece. 



Head-footed Molluscs {Cephalopoda) (after Merculiano and Jatta). 



A Study by A. Fairfax Muckley 



312 



392 



BLACK-AND-WHITE ILLUSTRATIONS 



Page 

 Group of Serpula; - - - . . 258 

 Dissection of Front End of an Earth-Worm 259 

 Dissection of Siphon-Worm {Sipiinculus) 



(after Keferstein) ----- 260 

 Moss-Polypes (after Kraepelin and Boas) - 261 

 Crown Rotifer {Stephanoceros) - - - 262 

 Vertical Section of Simple Sponge - - 265 

 A Proteus Animalcule [A?nceba) surround- 

 ing a slender Alga (after Rhumbler) - 269 

 Berry Animalcule {Hi£inatococcus pluvialis) 



in resting and motile stages - - - 273 

 Pallas's Sand-Grouse {Syrrhaptes para- 

 doxus) (from Brehm) - . - - 280 

 Eggs of Ringed Plover (y-Egialiiis hiati- 

 cicld) (from a photograph by R. .\. L. 

 Van Someren) ----- 286 

 Crouching Young of Peewit ( Vanelhis cris- 

 talus) (from a photograph by R. A. L. 

 Van Someren) ----- 286 

 A Beetle {Lithinus iiigrocristaius) which 



resembles Lichen ----- 287 

 Upper Side of a Xenophorus Shell (from 



Chun) - 28S 



Ptarmigan (Lagopus nmtus), in winter 

 plumage ------ 290 



Australian Sea-fforse (Phyllopteryx eijttes) 296 

 Caterpillars of Brimstone Moth {Ruinia 

 cratiEgata) in protective attitudes (after 



Poulton) 297 



liinder End of Caterpillar of Brimstone 

 Moth (after Poulton) - - - -297 



Page 



Indian Leaf Butterfly (A'allima inachis) - 298 



American Skunk [I\Iephitis suffocans) - 302 



Rattle of Rattlesnake - - - . ^04 



¥LOint&'Yo&&(Ceratophrys ornata) - - 305 

 A Friar -Bird {Philemon Tiinorlaoensis) 



mimicked by an Oriole ( Oriolus decipiens) 3 1 o 

 Caterpillars of the Lobster Moth [Siati- 



ropusfagi) 314 



fleads of Nocturnal Animals - - - 319 

 Diagram of varieties of Reptilian Armour, 



as seen in section (after Boas) - - 333 

 Nile Crocodile. Two scutes, covered l")y 



horny epidermal plates - - - - 333 

 Carapace and Plastron of a Tortoise (after 



Boulenger) ------ 334 



Method of Growth in Gastropod Shells - 335 



Growth of Bivalve Shell as seen in section 335 



A spiny Sea-Snail {Mitrex) - - - 336 



Opercula of various Gastropods - - 336 



Caddis- Worm Tubes of various kinds - 337 



The Northern Stone-Crab {Lithodes maia) 338 

 A Sea-Urchin {Echimis lividus), showing 



protective covering of spines - - 340 

 Part of Sea-Urchin Test, showing knobs 



for attachment of spines - - - 340 

 A species of South American Fox {Canis 



azara:) ------- 343 



The Fallow Deer {Cervus dama) - 350 



Horns of Gazelles ----- 353 



Poisonous Me.\ican Lizard {Hehdernia 



horriduni) ------ 355 



