CONTRIBUTIONS FROM THE ZOOLOGICAL LABORATORY OF 

 THE MUSEUM OF COMPARATIVE ZOOLOGY AT HARVARD 

 COLLEGE. 



E. L. Mark, Director 



4:% Abbreviations used : — 



B. M. C. Z for Bull, Mus. Comp. Zool, 



P. A. A for Proceed. Amer. Acad. Arts and Sci. 



P. B. S. N. II for Proceed. Bost. Soc. Xat. Hist. 



1. Barnes, W. — On the Development of the Posterior Fissure of the Spinal Cord, and 



the Eeduction of the Central Canal, in the Pig. P. A. A. lO : 97-110. 3 pis. 1884. 



2. Tdttle, a. H. — The Relation of the External Meatus, Tympanum, and Eiistachian 



Tube to the First Visceral Cleft. P. A. A. 19 : 111-132. 2 pis. 1884. 



3. Aters, H. — On the Development of Oecanthus niveus and its Parasite, Teleas. 



Mem. Bost. Soc. Nat. Hist. 3 : 225-281. 8 pis. Jan., 1884. 



4. Whitman, C. O. — The External Morphology- of the Leech. P. A. A. 20 : 76-87. 



1 pi. Sept., 1884. 



5. Patten, W. — The Development of Phiyganids, with a Preliminary Xote on the 



Development of Blatta Germanica. Quart. Journ. Micr. Sci. 34 : 549-602. 3 pis. 

 1884. 



6. Keighard, J. — Oil the Anatomy and Histology of Aulophorus vagus. P. A. A. 



30 : 88-106. 3 pis. Oct., 1884. 



7. Faxon, TV. — Descriptions of New Species of Cambarus; to which is added a 



Synonymical List of the Known Species of Cambarus and Astacus. P. A. A. 

 20 : 107-158. Dec, 1884. 



8. LocY, "W". — Observations on the Development of Agelena naevia. B. M. C. Z. 



12 : 63-103. 12 pis. Jan., 1886. 



9. Fewkes, J. AY. — Report on the Medusae collected by the IJ. S. Fish Commission 



Steamer Albatross in the Region of tiie Gulf Stream in 1883-'84. Ann. Rep. Comnr. 

 Fish and Fisheries for 188i, 927-980, 10 pis., 1886. 



10. Ayers, H. — On the Carapax and Sternum of Decapod Crustacea. Bull. Essex Inst. 



17 : 49-59. 2 pis. 1886. 



11. Mark, E. L. — Simple Ej-es in Arthropods. B. M. C. Z. 13 : 49-105. 5 pis. Feb., 



1887. 



12. Parker, G. H. — The Eyes in Scorpions. B. M. C. Z. 13 : 17.3-208. 4 pis. Dec, 



1887. 



13. Mato, Florence. — The Superior Incisors and Canine Teeth of Sheep. B. M. C. Z. 



13 : 247-258. 2 pis. Jun., 1888. 



14. Platt, Julia B. — Studies on the Pi-imitive Axial Segmentation of the Chick. 



B. M. C. Z. IT : 171-190. 2 pis. Jul., 1889. 



15. Mark, E. L. — Studies on Lepidosteus. Part 1. B. M. C. Z. 19: 1-127. 9 pis. 



Feb., 1890. 



16. EiGENMANN, C. H. — On the Egg Membranes and Micropyle of some Osseous 



Fishes. B. M. C. Z. 19 : 129-154. 3 pis. Mar., 1890. 



17. Parker, G. H. — The Histology and Development of the Eye in the Lobster. 



B. M. C. Z. 20 : 1-60. 4 pis. May, 1890. 



18. Ayers, H. — The Moi-phology of the Carotids, based on a Study of the Blood-vessels 



of Chlamydoselachus anguineus, Garman. B. M. C. Z. 17 : 191-223. 1 pi. Oct., 



1889. 



19. Davenport, C. B. — Cristatella : The Origin and Development of tlie Individual in 



the Colony. B. M. C. Z. 20 : 101-151. 11 pis. Nov., 1890. 



20. Parker, G. H. — The Eyes in Blind Crayfishes. B. M. C. Z. 20 ; 153-162. 1 pL 



Nov., 1890. 



