Illustrations ,\i 



VACIHO 

 FACE 



A LITTLE OWL IN ITS NESTING HOLE ....... 434 



From Wild Life in the Tree Topi, by Captain C. W. R. Knight, F.R.P.S. 



NEWTON'S BowER-Bmo ... . 435 



Eoos OF THE GUILLEMOT 438 



Photo: Country Life. 



STRANGE NEST MATERIALS OF A CARRION-CROW ..... 438 

 From Wild Life in the Tree Topi, by Captain C. W. R. Knight, F.R.P.S. 



THE REED-WARBLER'S NEST is A BEAUTIFUL CUP-SHAPED STRUCTURE 



SUSPENDED AMONG THE REEDS ........ 439 



Photo: J. H. Symonds. 



THE WONDERFUL NEST OF REMEZIA, THE PENDULINE TITMOUSE . . 439 

 Photo: British Museum (Natural History). 



NESTS OF THE EDIBLE SWIFT 442 



Photo: British Museum (Natural History). 



GUILLEMOTS 443 



Photo: Country Life. 



SKULL OF A CYNODONT EXTINCT REPTILE 454 



(After Broom.) 



ECHIDNA OR SPINY ANT-EATER ........ 454 



Photo: W. S. Berridge. 



GROUPING OF THE ORDERS OF LIVING MAMMALS ..... 454 

 OPOSSUM AND YOUNO ...... . 45S 



PICTORIAL REPRESENTATION OF THE GENEALOGICAL TREE OF ANIMALS 



(Coloured Illustration) 456 



YOUNG OF COMMON SEAL ON THE BEACH, SHETLAND .... 460 

 YOUNG OF BEARDED SEAL ........ 



COMMON MOLE (Talpa europaa) . . 461 



Photo: F. R. Hinkins & Son. 



"FORTRESS" OF THE MOLE (in cross section) ..... 466 

 Photo: British Museum (Natural History). 



Two-ToED SLOTH OR UNAU . 466 



Photo: W. S. Berridge. 



AMERICAN GREY SQUIRREL (Sciurus carolinensis) COMING DOWN A 



TREE . .467 



Photo: W. S. Berridge. 



