Xll 



LIST OF ILLUSTRATIONS 



Page 

 Head of an extinct Toothed Bird (Hesper- 



ornis regalis] (after Marsh) - - - 45 



A Falcon preying upon Lemmings - - 46 

 A Secretary- Bird (Serpentarius secretarius] 



attacking a Snake - - - - 47 



A Darter (Plotus] 49 



A Pelican (Pelecanus] 50 



Gulls and Terns 51 



Skua (Stercorarius] 5 1 



Scissor-Bill (Rhynchops] hunting - - 52 



Frigate-Bird (Fregatus] - - 53 

 Red-breasted Merganser (Mergus serrator] 



and Black - throated Diver (Colymbus 



arcticus] 54 



Night-jar ( Caprimulgus Etiropceus] - - 56 

 Greater Spotted Woodpecker (Dendrocopus 



major] 58 



Common Creeper ( Certhia familiaris] - 59 



Blue Roller ( Coracias garrulus] - 60 



Crowned Tyrant (Muscivora regia] - - 6 1 



African Ox-Pecker (Buphaga Africana] - 62 

 White-eared Honey-Guide (Indicator Spar- 



manni] ------ 63 



Huias (Heteralocha Gouldi] 64 



Great Butcher-Bird (Lanius excubitor] - 65 



Head of Duck (Anas boschas] 65 



Yellow Wagtail (Motacilla flava] - - 66 



Black-tailed Godwit (Limosa Belgica] - 66 



Curlew (Numenius arquatus] 67 



Woodcock (Scolopax rusticola] 68 



Hawk-bill Turtle (Chelone imbricata] 72 



Chameleon seizing its Prey 74 



Tunisian Lizards 77 



POISONOUS ASIATIC SNAKES 78 



Skull of Rattlesnake - 80 

 Tongue of Frog extended to secure its 



Prey 82 



Toad catching its Prey 83 



Angler-Fish (Lophius piscatorius] - - 85 



Deep-sea Angler (Melanocetus Murrayi] - 86 



Cross-section through Electric Eel - - 87 



Saw-Fish (Pristis antiqtwrum) - - 89 



Port Jackson Shark ( Cestracion Philippi] - 89 



Eagle Ray (Myliobatis aquila] - - - 90 



Electric Ray (Torpedo) 90 



Suctorial Mouth of Lamprey (Petromyzon] 91 



Hag- Fish (Myxine glulinosa] - - 91 

 Front End of Nemertine, with Proboscis 



partly protruded 93 



Beaks of Cuttle-Fish (Sepia officinalis] - 95 

 A Single Row of Teeth from Radulse of 



Carnivorous Snails - - - - 96 



The Purple-Shell (Purpura lapillus] - 97 

 Barbed Poison -Tooth from Radula of a 



Cone (Conus] 97 



A Boring Carnivorous Sea-Snail (Natica 



Tosephina] ------ 08 



Page 



Bivalve Shells bored by Natica - - 98 



Heteropods 99 



Foraging- Ants (Eciton hamata] on the 



march 104 



Bird-catching Spider (Mygale) threatened 



by a Sand- Wasp (Pepsis] 106 



Newts and Fresh- water Insects - - 108 



Scavenging Beetles 109 



The Ant-Lion (Myrmeleo formicarius] - 112 

 Mantis Net -Wing (Mantispa areolaris] 



(after Westwood) 113 



Praying Mantis* (Mantis religiosa] - - 117 



Flies (Dipterd) 119 



Tsetse- Fly (Glossina morsitans] - - 120 

 Mouth-parts of a Female Gnat (Cttlex) 



(after Becher) 121 



The Common Flea (Piilex irritans} - - 122 

 Mouth-parts of a Tree-Bug (Cicada] en- 

 larged 122 



Larva of Reduvius personatus - - - 123 

 A Pond -Skater (Gerris paludum] en- 

 larged 123 



A Marine Bug (Halobates] (after Challenger 



Report) 124 



Spinnerets of Spider (greatly enlarged) - 127 



A House-Spider ( Tegenaria] in its Web - 129 



Hunting Spiders (Salticus scenicus] - - 131 

 Shield-bearing Centipede (Scutigera) (after 



Buffon) 133 



Gastric Mill of Crayfish - ... 136 

 Hermit Crabs (Pagurus Bernhardus] - 138 

 Swift Land Crab (Ocypus] - - 140 

 Sea-Slater (Ligia oceanica] ... 143 

 Sea-Mouse (Aphrodite acideata] - - 147 

 Structure of Medicinal Leech (Hirtido me- 

 dicinal is] (after Leuckart and Hatschek) 148 

 Green Bonellia (Bonellia viridis] - -150 

 A Triclade Planarian with Pharynx pro- 

 truded - - 152 



Beroe - 156 



A Sea- Anemone 156 



Thread-Cells 158 



A Branching Coral - - - - 159 



A Hydroid Zoophyte (TtibuZaria] - - 160 

 Group of Individuals from a Millepore 



Coral (Millepora] (after Moseley) - - 161 

 A Compound Jelly-Fish (Physophora hy- 



drostatica] (after Haeckel) - - - 162 



Grinding-Teeth of Horse (Equus cabalhis] 166 



Stomach of Sheep (Ovis aries] - - - 168 



The Okapi (Okapia Johnstoni] - 170 



Grinders of African and Indian Elephants 172 

 THE INDIAN ELEPHANT (Euelephas In- 



dictis] 172 



The Dugong (Halicore dugong] - - 174 



Hares (Lepus timidus] - - - 175 



Abnormal Skull of Hare (Lepus timidus] 1 76 



