ZOOLOGY. 435 



ing pointed legs with attached branchiae ; abdomen formed of anchylosed 

 segments, 2(?) — 28, bearing articulated appendages." 



The memoir of Mr. Walcott is illustrated by G plates, displayiug sec- 

 tions and other details of structure. The author's discoveries certainly 

 mark an epoch in the history of the Tribolites. 



CRUSTACEANS. 

 1. SYSTEMATIC. 



Kossiuanu (R.). Uober deu classilicatoriscben Werth der Mundorgaue der Crustaceen. 

 Zool. Anz,, 4. Jahrg., pp. 544-548. 



2. FAUNiE. 



Europe. 



Meinert (Fr.). Crustacea Isopoda, Amiihipoda et Decapoda Dauiaj; Fortegnelee over 

 Damnarka Isopode, Ampliix)odo og Decapodo Krebsdyr. Natitrhist. I'idskr., (3,) v. 

 12, pp. 465-512. 



North America. 



Smith (S. J.). Preliminary Notice of the Crustacea dredged in 04 to 325 fathoms, oft 

 the south coast of New England, by the United States Fish Commission in 1880. 

 Froc. U. S. Nat. Mus., v. 3, pp. 413-452. 



Middle America. 



Edwards (Alphonse Milne). Mission scientifique au Mexique et dan s I'Am^rique cen~ 

 trale. Kecherches zoologiques publides sous la direction de H. Milne-Edwards. 

 5. partie 1. 1. Etudes sur les Xiphosures ot les Crustac^s podophthalm aires; i^ar 

 Aliih. Milne-Edwards. Paris, Impr. nationale, 1881. (4to., 372 jip., 61 pi.) 



Caribbean deep-sea fauna. 



Edwards (Alphonse Milne). Con8id6rationsg6n<Sralcs sur la fauno carciuologique des 

 grandes profondeurs de la mer des Antilles et du Golfc de Mexique. Compt. rend. 

 Acad. Sc, Paris, t. 92, pp. 384-388. 



>- . General considerations upon the CarciBologi«al Fauna of great depths in the 



Caribbean Sea and Gulf of Mexico. Ann. Mag. of Nat. Hist., (5,) v. 7, pp. 312-317. 



. Report of the results of Dredging in the Gulf of Mexico. Part I. Etudes 



pr61iminaires sur Ics Crustacds. Bull. Mus. Compar. Zool., v. 8, No. 1. 



3. SPECIAL GROUPS. 



Pycnogonida. 



Wilson (Edmund B.). ^Report on the Pycnogonida of New England and adjacent 

 waters. Report VrS. Fish Commission for 1878, pi>. 463-506, 7 pi. (15 sp., of which 2 

 are new.) 



Copcpoda. 



Grobben (C). Die Entwickelungsgcschichte von Cetochilus eeptentrionalis Goods. 

 Arbeit. Zoolog. Instit. Wien, v. 13, p. 243-282. 



BrancMopoda. 



Lankester (E. Ray). Observations and Reflections on the Appendages and on the 

 Nervous SjBtevQS pf Apus cancriformis. Quart, Journ. Micr. Sc, v. 21, pp. 343-376, 

 Ipl, 



