CONTRIBUTIONS FROM THE ZOOLOGICAL LABORATORY OP 

 THE MUSEUM OF COMPARATIVE ZOOLOGY AT HARVARD 

 COLLEGE. 



E. L. MARK, Director. 



*** Abbreviations used : 



B. M. C. Z for Bull. Mus. Comp. Zob'l. 



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



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



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



the Reduction of the Central Canal, in the Pig. P. A. A. 19 : 97-110. 3 pis. 1884. 



2. TUTTLB, A. H. The Relation of the External Meatus, Tympanum, and Eustachian 



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



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



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



4. WHITMAN, C. O. The External Morphology of the Leech. P. A. A. 2O : 76-87. 



1 pi. Sept., 1884. 



5. PATTEN, W. The Development of Phryganids, with a Preliminary Note on the 



Development of Blatta Germanica. Quart. Journ. Micr. Sci. 24 : 549-602. 3 pis. 

 1884. 



6. RKIGHARD, J. On the Anatomy and Histology of Aulophorus vagus. P. A. A. 



20 : 88-106. 3 pis. Oct., 1884. 



7. FAXON, W. Descriptions of New Species of Cambarus; to which is added a 



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

 2O. 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. W. Report on the Medusae collected by the U. S. Fish Commission 



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

 Fish and Fisheries for 1884, 927-980, 10 pis., 1886. 



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



IT : 49-59. 2 pis. 1886. 



11. MARK, E. L. Simple Eyes in Arthropods. B. M. C. Z. 13 : 49-105. 5 pis. Feb., 



1887. 



12. PARKER, G. II. The Eyes in Scorpions. B. M. C. Z. 13 : 173-208. 4 pis. Dec., 



1887. 



13. MAYO, 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 Primitive Axial Segmentation of the Chick. 



B. M. C. Z. 17 : 171-190. 2 pis. Jul., 1889. 



15. MARK, E. L. Studies on Lepidosteus. Parti. B. M. C. Z. 19: 1-127. 9 pis. 



Feb., 1890. 



16. EIGENM ANN, C. II. On the Egg Membranes and Micropyle of some Osseous 



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



17. PARKER, G. II. The Histology and Development of the Eye in the Lobster. 



B. M. C. Z. 2O : 1-60. 4 pis. May, 1890. 



18. AYERS, H. The Morphology of the Carotids, based on a Study of the Blood-vessels 



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



1889. 



19. DAVENPORT, C. B. Cristatella : The Origin and Development of the Individual in 



the Colony. B. M'. C. Z. 2O : 101-151. 11 pis. Nov., 1890. 



20. PARKER, G. II. The Eyes in Blind Crayfishes. B. M. C. Z. 2O: 153-162. 1 pi. 



Nov., 1890. 



