m 



Sesquialtera ridicula. 1916, pi. ii., 



p. 91. 

 Seymouria bayloriensis, 1 9 1 8, figs. 1-15, 



pp. 269-273,275, 277, 278, 280- 



285, 298. 

 Siam, sketch-map, S.E., 191 6, pi. i., 



p. 27. 

 Silundia gangetica, 1920, pi. i., p. 61. 

 Simia satyrus, 1913, pi. ix., p. 3. 

 Simorhinella baini, 191 5, fig. 1, p. 163. 

 Sinella montana, 191 2, pis. viii., ix., 



p. 80. 

 Sitala iredalei, 1912, pi. xxxi., p. 183. 

 Skull of American Bison, 1911, fig. 67, 



p. 253. 

 foetal Ox, 191 1, figs. 68, 69, 



pp. 253, 255. 

 Calf at birth, 191 1, fig. 70, 



p. 257. 



— - polled Aberdeen-Angus Ox, 



191 1, fig. 71, p. 257. 

 ■ Newstead Ox, 191 1, 



figs. 73, 74, pp. 77, 261, 262, 264. 

 Cadzow Ox, 19 11, figs. 75, 87, 



pp. 263, 275. 



— Shorthorn, 1 9 1 1 , fig. 76, 



p. 263. 



Storks, etc., 191 3, pis. lxxxi.- 



lxxxiii., p. 644. 

 Sminthurides appendiculatus, 1912, 



pi. xii., p. 80. 

 Solaster endeca, 191 6, pi. ii., p. 553. 

 Solenotamia viperis, 191 3, figs. 45-53, 



pp. 244-246, 248, 250, 252, 253, 



255, 260. 

 Sorex araneus castaneus, 1913, 



pi. lxxxiv., p. 821. 

 grantii, 1913.pl. lxxxix., p. 821 ; 



fig. 136, p. 825. 

 Spaniel (Clumber), Feet of, 1914, figs. 1, 



3, pp. 481, 483. 

 Spatangus, 1912, fig. 59, p. 479. 

 Speothos venaticus, 19 14, fig. 1, 



p. 915. 

 Sphserium kigeziensis, 1912, pi. xxxi., 



p. 183. 

 Spironema multiciliatum, 1916, pi. iii., 



p. 309. 



Spiroptera Uganda, 191 1, fig. 144, 



p. 555. 

 Spirorbis ambilateralis, 1912, 



pi. lxxxviii., p. 784. 

 asperatus, 19 12, pi. lxxxix.. 



p. 784. 

 langerhansi, 1912, pi. lxxxix., 



p. 784. 



medius, 19 12, pi. lxxxix., p. 784. 



morchi, 19 12, pi. lxxxix., p. 784. 



pussilloides, 1912, pi. lxxxviii., 



p. 784. 

 racemosus, 1912, pi. lxxxix., 



p. 784. 

 spirillum, 191 2, pi. lxxxviii., 



p. 784. 



validus, 19 12, pi. lxxxix., p. 784. 



vitreus, 191 2, pi. lxxxviii., p. 784. 



Spiroxys contorta, 1920, pis. i.-ii., 



p. 245 ; figs. 1-3, p. 250. 

 ganetica, 1920, pi. ii., p. 245; 



figs. 4-6, p. 252. 

 Spizaiitus bellicosus, 191 1, fig. 20, 



p. 69. 

 Spondylus sp., 191 1, pi. Ix., p. 1057. 

 Sponges, Phylogeny of Calcareous, 



1913, fig. 133, p. 798. 

 Stachyodes gilchristi, 191 1, pi. xliv., 



xlv., p. 870. 

 Stauropus critobulus, 1916, pi. i., 



p. .707. 

 Steganoporella magnilabris, 1 9 1 3 , 



pi. lxxii., p. 458. 

 Stenagrion dubium, 1917, fig. 10, p. 231. 

 Stenobothrus curtipennis, 19 14, pi. i., 



p. 45. 



viridulus, 1 91 4 , pi. i., p. 45. 



Stenoponia ccelestis, 191 1, figs. 123, 



124, p. 392. 

 Stereonephthya lutea, 19 12, pi. lxiii., 



p. 505. 

 Stericta rurealis, 19 12, pi. lxviii., 



p. 546. 

 Stirparia dendrograpta, 19 13, pi. lxvi., 



p. 458. 



exilis, 19 1 3, pi. lxvi., p. 458. 



zanizibariensis, 1913, pis. lxvii., 



lxix, p. 458. 



