IV CONTENTS. 



rage 



XII. Descriptions of Four new African Freshwater Fishes. l?y 



G. A. Boi'LK.NOEH, F.R.S ■. 80 



XIII. On the Identity of Polt/trema planum of Carter with 

 P. mimaceum var. imulva. By Frederick Chapman, A.L.S., 

 F.R.M.S 82 



XIV. Remarks upon the Genus Hhysodes, with Descriptions of 

 some new Oriental Species. By GiiBEiiT J. Arrow 83 



XV. Notes on Diptera from South Africa. By Miss Gertrude 

 RlCARDO , 89 



XVI. Descriptions of Brazilian Cocculce. By Adolf Hempel, 



S. Paulo, Brazil 110 



XVII. Contributions from the New .Mexico Biological Station. — 

 X. Observations on Bees collected at Las Vegas, New Mexico, and 



in the adjacent Mountains. II. By T. 1). A. Cockerell li'o 



yitr Bool.-g : — Recent Foraminifera. A Descriptive Catalogue of 

 Specimens dredged by the U.S. Fish Commission Steamer 

 ' Albatross.' By James M. Flint, M.I)., U.S.N., &c., Smith- 

 sonian Institution, U.S. Natinnal Museum. — A Treatise on 

 Zoology. Edited by E. Ra\ Lankester, M.A., F.R.S. Part 

 II. Porifera and Ccelentera 1.j2, 133 



Proceedings of the Geological Society 134, 135 



Tlie Dates of Esper's ' Schmetterliuge,' by C. Davies Sherburn, 

 F.Z.S. &c., and B. B. Woodward, F.L.S. &c 137 



NUMBER XXXVIII. 



XVIII. On some Fossils of Wenlock Age from Midde, near 

 Klinteberg, Gotland. By Frederick Chapman, A U.S., F.R.M.S.; 

 with Notes by Prof. T. Rvpert Jones and Dr. F. A. Bather. 

 (Plate III.) 141 



XIX. On the Squirrels of the Sciurus erythravs Group. By J. L. 

 BONHOTK, B.A ■ KiO 



XX. On the Squin-els of the Sciurus Vrevostii Group. By J. L. 

 BijXHOTE, B.A 167 



XXI. New Mammals from Peru and Bolivia, with a List of those 

 recorded from the Inambari River, Upper Madre de Dios, By Old- 

 field Thomas 1 78 



XXII. A new Free-tail Bat from the Lower Amazons. By 

 Oldfikld Tho.mas 100 



XXIII. Notice of a Species of Valudtdrina new to the British 

 Fauna. Bv Edgar A. ^mith 191 



