MUSEUM OF COMPARATIVE ZOOLOGY. 133 



Spengel, J. W. 



Bau u. Eutwickclung von Balanoglossus. Tagehl. d. Naturf. Vers. Mi'mchen, 1877. 

 See also transl. of Thomas H. Huxley, A Manual of the Anatomij of 

 Invertehrated Animals. 

 Springer, Frank. See (p. 134) Wachsmuth, Chas., and Springer, Frank. 

 Stewart, T. H. 



On the Young State of Ophiocoma rosula, and on the Form and Development 

 of the Spines of tliis Species. Ann. Mag. Nat. Hist. [2], XVIII. pp. 387- 

 391, ri. XV. 185Q. 

 Studer, Th. 



Ueber Ecliinodcrmen aus deni antarktischen Meere uud zwei neue Seeigel von 

 den Papua Inseln, gcsammelt auf der Reise S. M. S. Corvette " Gazelle " 

 uni die Erde. Monatsb. Akad. Wissensch. Berlin, pp. 452-405. 187Q. 



(Viviparous Echinoderms and young stages of Goniocidaris vivipara, p. 455; 

 Abatus cordatiis, p. 457; and Ophiomyxa vivipara, p. 4G2.) 



Ueber Geschlechtsdiraorphismus bei Echinodermen. Zool. Anzeig., III. pp. 523- 

 527, 543-546, 10 figs. 1880. 



(Sexual differences [due to growth in part] in Hemiaster.) 



Uebersicht ueber die -wahrend der Reise S. M. S. Corvette " Gazelle " um die 



Erde 1874-76 gesanunelten Echinoiden. Monatsb. der Konigl. Akad. der 



Wiss. zu Berlin, pp. 861-885, PI. L, II. Oct. 28, 1880. 



(Viviparous Echini, passim.) 

 Thomson, C. Wyville. 



On the Emhn'ology of Asteracanthion violaceus (L.). Quart. Journ. Mic. Set., 



I. pp. 99-108, PL Yll. 1861. 



On the development of Synapta inhmrens O. F. Miiller sp. Quart. Journ. Mic. 

 Sci., II. pp. 131-146, PI. v., VI. 1863. 



On the Embryology of the Echinodermata. Nat. Hist. Review, London, III. 

 pp. 395-415, figs. 1-6. 1863. 



(General review of the subject to date: Part I. Bipinnaria; TI. Brachiolaria; 

 III. Asteracanthion violaceus, A. MiiUcri and E. sanyuinoltntus ; IV. Pterasler mili- 

 taris and A. (/lacialis ; V. Vermiform Larva.) 



On tire Embryology of the Echinodermata. VI. The Embryology of the 



Echinidea. Nat. Hist. Review^ pp. 581-611, fi^s. 7-16. 186^. 

 Concluded from Nat. Hist. Rev., III. p. 415. I864. 

 On the Embryogeny of Antedon rosaceus Linek. (jComatula rosacea Lam.). 



[i565.] Philos. Trans. Rog. Soc. London, CLV. pp. 513-544, PI. XXIIL- 



XXVII. 1865. 

 Notice of some Peculiarities in the Mode of Propagation of certain Echino- 



dcrms of the Southern Sea. 1876. Journ. Linn. Soc. London, XIII. 



pp. 55-79, 13 cuts. 1876-78. 



(Direct development of Holothurians, Starfish, Sea-urchins, and Ophiurans, 

 Cladodactyla crocea, Psolus ephippifer, Cidaris nutrix, Goniocidaris cannliculata, 

 Hemiaster sp. Archaster excavatus, Hymenaster nobilis, Ophicoma didelphys.) 



