CONTENTS. 



XVll 



PLATES. 



Plate I. The Jersey Vole {Evotomys ccBsarius) 

 II. Achatina fulica (nat. size) . . 



III. Swan X Goose hybrid 



IV. White-headed Long-tailed Titmouse {Acredula 

 caudata) ....... 



V. Female Raven after feeding Young 

 VI. Grepidiila fornicata (20 figures, described on 



p. 214) 



VII. Crepidula on Oysters, &c. (8 figures, described 

 on p. 215) 



to face 



41 

 161 



217 

 321 



401 



401 



ILLUSTRATIONS IN TEXT. 

 Variety of Gaunet .......... 73 



Map of S.E. Northumberland Coast 125 



The Pharyngeal Teeth of Fishes : 



Gadid^. — Fig. 1, Brosmius brosme. Fig. 2, Molva elongata. 

 Fig. 3, Phycis mediterraneus. Fig. 4, Onus communis. Fig. 5, 

 Gadus poutassou ......... 135 



CarangidjE. — Fig. 1, Lichia amia. Fig. 2, Caranx trachurus. 



Fig. 3, Temnodon saltator. Fig. 4, Seriola dum^erilii . . 139 



SPARiDiE. — Fig. 1, Pagrus auratus ; 2, lower jaw of ditto ; 3, 

 upper jaw of ditto. Fig. 4, Cantliarus lineatus. Fig. 5, Box 

 salpa ............ 451 



LABEiDiE. — Fig. 1, Labrus mixtus. Fig. 2, L. turdus. Fig. 3, 



L.festivus. Fig. 4, Coris jtilis ....... 454 



The Development of the Snipe. Syrinx of — A, Jack-Snipe ; b, Com- 

 mon Snipe (muscles figured black) ...... 266 



Chevinedge, Yorkshire^ Site of Halifax Zoological Gardens . . 290 



Halifax Zoological Gardens. Bear's Cage, July, 1910 . . . 291 



Chinese Bird-Trap 392 



Egg-mass of BJiacophorus leucomystax in frond of fern (two-thirds 



of nat. size) .......... 393 



