iv CONTENTS. 
Page 
XII. Descriptions of Four new African Freshwater Fishes. By 
GA. BOULENGER, HRS. ms. eesecotaen Brey or een steric 80 
XII. On the Identity of Polytrema planum of Carter with 
P. miniaceum var. involva. By Freprrtck Cuapman, A.LS., 
F.R.MS. 
XIV. Remarks upon the Genus Rhysodes, with Descriptions of 
some new Oriental Species. By Gitpert J. ARROW 83 
PY Wer ae eee Sa tt Tike) 
XV. Notes on Diptera from South Africa. By Miss GERTRUDE 
RicaRpo eT ae: ee ee re re se x oat eceees hee 89 
XVI, Descriptions of Brazilian Coccide. By AvboLF HEMPEL, 
relatos razr aes cic ere cre Bey ince guoh steno sf elie @oMenN Sneveinte-arakoeet 110 
XVII. Contributions from the New Mexics Biological Station.— 
X. Observations on Bees collected at Las Vegas, New Mexico, and 
in the adjacent Mountains. II. By T. D. A. CocKERELL ...... 125 
New Books :—Recent Foraminifera. A Descriptive Catalogue of 
Specimens dredged by the U.S. Fish Commission Steamer 
‘ Albatross.’ By James M, Fiint, M.D., U.S.N., &c., Smith- 
sonian Institution, U.S. National Museum.—A Treatise on 
Zoology. Edited by E. Ray Lanxestrr, M.A., F.R.S. Part 
IL, Pontera-and Ocdlentera 4. -42200c hee ess eaee eens 152, 155 
Proceedings of the Geological Society ............... 0000005 134, 155 
The Dates of Esper’s ‘Schmetterlinge,’ by C. Davies Sherborn, 
F.Z.S. &c., and B. B. Woodward, F.L.S. &e. ........ ae cuca 157 
NUMBER XXXVIII. 
XVIII. On some Fossils of Wenlock Age from Mulde, near 
Klinteberg, Gotland. By FREDERICK CHAPMAN, AL.S., F. RMS 
with Notes by Prof. T. Ruprrr Jones and Dr. F. A. peer 
PP late UL): 5. See ale ancrt Sire ap menace weve Paes artes Ti outers eted. 141 
XIX. On the Squirrels of the Seiwrus erythreus Group. By J.L. 
IBONHOPH BIA, ors. aéncite «nan Qiee eg earpinee as Olle tatiana eee 160 
XX. On the Squirrels of the Sedwus Prevostii Group. By J. L. 
IBONHOUE Bi Ass aac. @. ach nics « dcineree eaten a tahacoanee rane ee 167 
XXJ. New Mammals from Peru and Bolivia, with a List of those 
recorded from the Inambari River, Upper Madre de Dios. By OLp- 
LBD, (CHOMAS! Brg aux ied. os sete ote eer ata. TT ees 178 
XXII. A new Free-tail Bat from the Lower Amazons. By 
OLDETELD UHOMAS: ds ahs ccsed meagre a a ee Aaa TR a 190 
XXIII. Notice of a Species of Paludestrina new to the British 
Fauna. By EDGAR AG DSMIUDERGarstesocaamyerttatearcde mae oye tiere ae oak 191 
