210 BULLETIN OF THE 
discovered the connection between monogastric (Hudoxia) and digastric (Abyla) 
Calycophores. The other most important contributions to the embryology of the 
Siphonophora are by Agassiz (A.), Chun (C.), Claus (C.), Haeckel (E.), and Metschni- 
koff (E.). 
The embryology of the Ctenophora has been followed by Agassiz (A.), Chun (C.), 
Fol (H.), Kowalevsky (A.), and Metschnikoff (E.), 
CamBrings, June 1, 1884. 
Agassiz, Alexander. 
[Development of Nanomia cara.] Proc. Boston Soc. Nat. Hist., 1X. p. 181. 
1862-63, 
[Young of Medusa of Halopsis ocellata.| Proc. Boston Soc. Nat. Hist., 1X. 
pp. 219, 220. 1862-63. 
On the Mode of Development of the Marginal Tentacles of the Free Medusee 
of some Hydroids. Proc. Boston Soc, Nat. Hist., 1X. pp. 88-101. . 
1862-63. 
North American Acalephe. J//. Cat. Mus. Comp. Zool. at Harvard College, 
No. 2. Cambridge, U.S. 1865. i} 
(Development pusstm.) 
Embryology of the Ctenophore. Mem. Amer. Acad. Arts § Sci , X., No. Il. 
(Separate, in advance.) pp. 357-398, pls.5. Cambridge, Mass. 1874. 
(Idyia roseola, Pleurobrachia rhododactyla, Bolina alata, Mertensia ovum.) 
Haeckel’s Theory (Allceogenesis) of the Genetic Connection between the 
Geryonide and Aiginidee. Amer. Journ, Arts and Sci., May, 1876. Ann. 
Mag. Nat. Hist. (4), XVIL. p. 481. 1876. 
(Critical notice of Haeckel’s Theory in Beitriige zur Naturgeschichte der Hy- 
dromedusen.) 
Exploration of the Surface Fauna of the Gulf Stream under the Auspices of 
the (U. 8.) Coast Survey. By Atexanper Agassiz. III. Pt. 1. The 
Porpitide and Velellide. Mem. Mus. Comp. Zoil., VIII. No. 2, pp. 1-16. 
1883. 
(Younger stages of Velella and Porpita; Chrysomitre of both; Rataria de- 
scribed by Pagenstecher corresponds with young stages of Porpita.) 
Agassiz, E. C. and A. 
Seaside Studies in Natural History. Marine Animals of Massachusetts Bay. 
Radiates. pp. 157, figs. 185. Boston, 1865 and 1871. 
(pp. 21-90 larval stages, passim.) 
Agassiz, Louis. 
Twelve Lectures on Comparative Embryology, delivered before the Lowell 
Institute in Boston, December and January, 1848-49. pp. 104. Boston, 
1849. (Originally published in the Boston Traveller, December 22, 1848.) 
(Development passim.) 
