WOEKS OF EEFEEENCE 405 



254. Marstall. — "The Frog," Fourth edition, London, 1891. 



255. Mivart. — " The Common Frog," London, 18V4. 

 255a. Morgan. — See No. 22a this list. 



256. Owen. — " Comparative Anatomy and Physiology of Verte- 



brata," London, 1868. 



257. Packard.— See No. 24 this list. 



258. " Standard Natural History." — See No. 26 this list, vol. iii. 



259. Wiedersheim. — "Elements of the Comparative Anatomy 



of Vertebrates," New Yort, 1886. 



VAUCHEEIA 



260. Bower and Vines. — See No. 3 this list. 



261. Campbell. — See No. 30 this list. 



262. Cooke.— See No. 129 this list. 



263. Goebel.— See No. 31 this list. 



264. Parker. — See No. 44 this list. 



265. Sachs. — See No. 34 this list. 



266. Strasburger. — See No. 15 this list. 



267. Wolle.— See No. 137 this list. 



CHAEA 



268. Bower and Vines. — See No. 3 this list. 



269. Campbell. — See No. 30 this list. 



270. Davis. — See No. 51 this list. 



271. Goebel.— See No. 31 this list. 



272. Howes. — See No. 9 this list. 



273. Huxley and Martin. — See No. 10 this list. 



274. Parker. — See No. 44 this list. 



275. Sachs. — See No. 34 this list. 



276. Strasburger. — See No. 15 this list. 



EOCKWEED 



277. Bessey. — See No. 28 this list. 



278. Bower and Vines. — See No. 3 this list. 



279. Campbell. — See No. 30 this list. 



