MUSEUM OF COMPARATIVE ZOOLOGY. 113 



"Balfour, Francis M. {continued). 



Also Gennan trausl. bj Dr. B. Vetter : Haudbuch der vcrglcichenden 

 Embryologie. I. Jeiia, 1880. 



Essays on Embryology. 



I. Ou the Structure and Homologies of tlie Germinal Layers of the Embryo. 



Qua/i. Jouni. Mlcr. Sci., XX. pp. 247-273, 17 cuts. 1880. 



II. Larval Forms : their Nature, Origin, and Affinities. Quart. Jouni. liter. 

 Sci., XX. pp. 3S1-407. 21 cuts. 1880. 



Bastian, H. Charlton. 



On tlie Anatomy and Physiology of the Nematoids, Parasitic and Eree ; with 

 Observations on their Zoological Position and Affinities to the Echinoderms. 

 P/iil. Trans. Roij. Soc. London, CLVI. pp. 515-638, PI. XXIl.-XXVllI. 

 18G6. 



Barrois, J. 



Embryogenic de V Aster is etis verrucidatus. Journ. de VAnat. et de la Thysiol., 

 XV. pp. 1-S, PL L, II. 1879. 



Baur, Albert. 



Eeitrjige zur Naturgeschichte d. Si/napta digitata. Drei Abhandlungen. Dres- 

 den, 1861^. 51; 60; 119 pp., S pi. 



(Zweite Abliandlung, Metamorphose uiid Entwickelung der Synapta digitata.) 

 Bell, F. Jeffrey. 



Note ou the Number of Anal Plates in Echinocidaris. Proc. Zdol. Soc. Lon- 

 don, pp. 436, 437. 1879. 



Exhibition of an Immature Eehinoid. Proc. Zdol. Soc. London, pp. 356-358. 

 1880. 



(Palieolampas, the immature form of an Echinolampas.) 



Observations on the Characters of the Eehinoidea. Part III. On Some Genera 

 and Species of the Temnopleurids. Proc. Z'dol. Soc. London, June 1, 18S0. 

 pp. 422-440, PI. XLI. 



(Describes the young forms of several species.) 



On the Apparent Retention of a Sur-Anal Plate by a Young Echinometra. 

 Journ. Linn. Soc. London, ZooL, XV. pp. 318-320. 1881. 



Abstr. Journ. Roy. Mic. Soc. [2], I. p. 896. 1881. Also Zool. Anzeig., 

 No. 99, p. 896. 



See also p. 119, Gegenbaur, Carl. 

 Beneden, P. J. van. 



Sur deux Larves d'flchinodermes de la Cote d'Ostende. Bidl. Acad. Roy. 

 Belr/ique, XVII. pp. 508-515, 1 pi. 1850. Vlnstitut Journ. Gen. Soc. 

 Truv. Sci., XVIII, p. 276. 1850. 



(BIpinnnria and Opliiuran larvx.) 



