456 



INDEX. 



Tachysoma, characters of the new 

 genus, 108. 



Thomas, O., on new squirrels, 127 ; 

 on a new rat, 269 ; on new Cen- 

 tral-African Mammalia, 440. 



Thompson, Prof. D'A. W., on the 

 blood-corpuscles of the Oyclosto- 

 mata, 231. 



Triplax, new species of, 69. 



Tropidonotus, new species of, 96 ; on 

 OTO-viviparous generation in, 820. 



Turbellaria, on the sense-organs of 

 the, 308. 



Uranodoxa, characters of the new 

 genus, 244. 



Volutharpa Perryi, notes on, 347. 



Walford, E. A., on some Polyzoa 



from the Lias, 142. 

 Waters, A. W., on Australian Bryo- 



zoa, 81, 181, 253; on tertiary 



cyeiostomatous Bryozoa from New 



Zealand, 139. 

 Woodward, A. S., on a new species 



of Semionotus, 175, 320 ; on the 



so-called Microdon nuchalis, 342 ; 



on the affinities of Cyclobatis, 



389. 

 Young, H, C, on ovo-viviparous 



generation in Tropidonotus, 320. 

 Yphthima, new species of, 267. 

 Zanclopteryx, new species of, 246. 

 Zygsena, new species of, 304, 389. 



END OF THE TWENTIETH VOLUME. 



PRINTED BY TAYLOR AND FRANCIS, 

 RED LION COURT, FLEET STREET. 



