MUSEUM OF COMPAKATIVE ZOOLOGY. 133 



Spengel, J. W. 



Bauu. Entwickelung von Balanoglossus. Tagehl. d. Naturf. Vers. Milnchen, 1877. 

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

 Invertebrated Animals. 

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



Stewart, T. H. 



Oa the Youug State of Ophiocoma rosula, and on the Form and Development 

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

 391, PL XV. 1856. 

 Studer, Th. 



Ueber Echinodermen aus dem antarktischen Meere uud zwei neue Seeigel von 

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

 um die Erde. Monatsb. Akad. Wissensch. Berlin, pp. 452-465. 1876. 



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

 Abatus cordatus, p. 457; and Ophiomyxa vivipara, p. 462.) 



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 Eeise S. M. S. Corvette " Gazelle " um die 

 Erde 1874-76 gesanimelten Echiuoiden. Monatsb. der Konigl. Akad. der 

 Wiss. zu Berlin, pp. 861-885, PL I., II. Oct. 28, 1880. 



(Viviparous Echini, passim.) 

 Thomson, C. Wyville. 



On tlie Embryology of Asteracatithion violaceus (L.). Quart. Journ. Mic. Set., 



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

 On the development of Synapta inhcerens O. E.Miiller sp. Quart. Journ. Mic. 



Sci., II. pp. 131-146, PL v., VI. 1862. 

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

 pp. 395-4i5, figs. 1-6. 1863. 



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

 III. Asteracanthion violaceus, A. Miilhri and E. sanyuinolentus ; IV. Pteraster mili- 

 taris and A. glacialis ; V. Vermiform Larva.) 



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



Ecliiuidea. Nat. Hist. Review, pp. 581-611, figs. 7-16. 1864- 

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

 On the Embryogeny of Antedon rosaceus Liuck. (^Comatula rosacea Lam.). 



{1863:\ Philos. Trans. Roy. Soc. London, CLV. pp. 513-544, PL XXIII.- 



XXVII. 1865. 

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



derms 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 canaliculata, 

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



