MUSEUM OF COMPAKATIVE ZOOLOGY. 219 



Ehlers, E. See Keferstein, W., and Ehlers, E. 



*Ehrenberg, (C. G.). 



Symbolse Physicse, IV. Berolini, 1831. 



(Describes egg-capsules in hj^droids.) 

 Ellis, J., and Solander, D. 



The Natural History of many curious aud uncommon Zoophytes, collected 

 from various Parts of the Globe. London, 1786. 



Eschscholtz, F. 



System der Acalephen. Eine ausfiibrliche Bescbreibung aller Medusenartigen 

 Strahlthiere. pp. 1-190, pis. I.-XVI. Berlin, 1829. 



Fabricius, O. 



Fauna Groenlaudica. Hafnise et Lipsiae, 1780. 



Fewkes, J. Walter. 



Studies of the Jelly-fishes of Narragansett Bay. 1881. Bull. Mas. Comp. 

 Zodl, VIII. No. 8, pp. 141-182, pis. 10. 1880-81. 



Abstr. in Journ. Roy. Micr. Soc. (2), I. p. 5, Oct., pp. 746, 747. 



(Lizzia, Zygodactyla, Tima, Eucheilota, Trachynema, Cunina, Agalraa, Cyanea, 



Mnemiojjsie.) 



Explorations of the Surface Fauna of the Gulf Stream. I. Notes on Acalephs 

 from the Tortugas, with a Description of New Genera and Species. Bull. . 

 Mus. Comp. Zodl., IX. No. 7, pp. 251-289, pis. 7. 1882. 

 {Eucharis, Ocyroe, Cassiopea, Linerges, Glossocodon.) 

 Budding in Free Medusae. ^;«(?r. A^«/2^a, XIV. pp. 50, 51. 1881. 



(Alternation of generations in Willia.) 

 Note on the Structure of Rhizophym fiUformis. 1879. Froc Boston Soc. 

 Nat. Hist., XX. pp. 292-303, pi. I. 1878-80. 



(Development of tentacular knobs and sexual organs.) 

 Contributions to a Knowledge of the Tubular Jelly-fishes. Bull. Mus. Comp. 

 Zodl., VI, No. 7, pp. 127-146, pis. 4. 1880. 



(Development of the knobs of Physophora.) 

 The Siphonophores. II. The Anatomy and Development of Agalma. Amer. 

 Natural., XV. pp. 186-195, figs. 1881. 



(Development of Agalma- eleqans.) 

 On the Acalephae from the East Coast of New England. Bull. Mus. Comp. 

 Zodl., IX. No. 8, pp. 291-310, pi. 1. 1882. 



(Mnemiopsis, Willia, Phialidium.) 

 Exploration of the Surface Fauna of the Gulf Stream under the Auspices oi 

 the U. S. Coast Survey. By Alexander Agassiz. I. On a Few Medusae 

 from the Bermudas. Bull. Mus. Comp. Zo'ol., XI. No. 3, pp. 79-90, pi. I. 

 (Young of Tamoya punctata sp. nov., Ectopleura sp. (?) ; Ephyra with sixteen 

 otocysts (young Cassiopea); resemblance of sexual clusters of Rhizophysa and 

 rhysalia.y 



