MUSEUM OF COMPARATIVE ZOOLOGY. 25 



XC. Lewis, Margaret. — Studies on the Central and Peripheral Ner- 

 vous System of Two Polychsete Annelids. Proc. Amer. Acad. 

 Arts and Sci., Vol. XXXII. No. 14, pp. 225-268. 8 Pis. April, 

 1898. 



XCI. Hamaker, J. I. — The Nervous System of Nereis virens Sars. 

 A Study in Comparative Neurology. Bull. Mus. Comp. Zool., Vol. 

 XXXIL, No. 6, pp. 89-124. 5 Pis. June, 1898. 



XCII. Field, William L. W. — A Contribution to the Study of In- 

 dividual Variation in the Wings of Lepidoptera. Proc. Amer. 

 Acad. Arts and Sci., Vol. XXXIII., No. 21, pp. 389-396. 5 text 

 figures. June, 1898. 



XCIII. Mark, E. L. — Preliminary Eeport on Branchiocerianthus 

 urceolus, n. g. et n. sp. Bull. Mus. Comp. Zool., Vol. XXXIL 

 No. 8, pp. 145-154. 3 Pis. August, 1898. 



In Press. 

 Linville, H. E. — Maturation and Fertilization in Pulmonate Gas- 



teropods. 

 Tower, W. L. — The Nervous System of the Cestode Monezia expansa. 



6 Pis. 

 Folsom, J. W. — The Anatomy and Physiology of the Mouth Parts of 



the Collembolan Orchesella cincta L. 4 Pis. 

 Bancroft, F. W. — Ovogenesis in Distaplia occidentalis Ritter (MS.), 



with Remarks on other Species. 6 pis. 

 Waite, F. C. — Structure and Development of the Antennal Glands in 



Homarus americanus Milne-Edwards. 6 Pis. 

 Galloway, T .W. — Observations on Non-sexual Reproduction in Dero 



vaga. 5 Pis. 

 Rand, H. W. — Regeneration and Regulation in Hydra viridis. Nu- 

 merous figures. 

 Galloway, T. W. — Effect of Temperature on Growth of Tadpoles. 



Dr. Davenport has spent considerable time in the completion of 

 the second volume of his work on " Experimental Morphology," 

 which is now in the hands of the publisher. He shared in the pro- 

 duction of Contribution No. LXXXVL, and has contributed arti- 

 cles and reviews to " L'Annee biologique," and " The American 

 Naturalist." During the present summer he is Director of " The 

 Biological Laboratory of the Brooklyn Institute of Arts and 

 Sciences, located at Cold Spring Harbor, L. I., N. Y." 



Dr. Parker has published, in collaboration with Mr. C. H. Tozier, 

 Contribution No. LXXXVIL, and has written book notices and 



