'202 Ml". G. A, HiUiU'iif^or on ntw 



PVPA. 



Fiff. •"). 11i>rsal view. 



Fuj. 6. Anterior outer Ifttniim of left-hnnJ respiratory liorn, viewed 



from behind, p.a., paler area. 

 Fiij. 7. Inner laniinsp of left-liaiul resjiirntory horn, viewed from biliind. 



«.!./.. anterior inner lamina;/)././., posterior inner lauiinn; 



t., trachea, a fragment still attached under the chitinous wall 



of the body. 

 Fill. 8. Diairrammatie pround-plan of left-hand respiratory horn. «i., 



median longitudinal line of thorax; a.o.l., p.o.l., anterior and 



posterior outer laminae: a.i.L, p.i.l., anterior and posterior 



inner laminae ; .«., spiracle. 



Imago. 



Fi(j. 9. Head and month-parts of cJ , mountod in balsam, the organs 



pushed apart by pressure, lahr., labruni ; fiyp., hypopharynx ; 



mx., lobes of the two maxilhe : lab., labium. 

 Fi(j. 10. Right maxillary palpus of J, enlarged. 

 /'/^. 11. Apex of J hypopharynx, enlarjjed : the lateral fringes are 



doubled one over the other, so that the hairs projecting on 



the rifiht side of the organ really arise from its left side, and 



vice versa. 

 Fit/. 12. Apex of hypopharynx o^ KeUogr/ina harnarcU J, to same scfile 



as fig. 11, for comparison. 

 Fig. 13. (5 genital armature from beneath, viewed as a transparent 



object. 

 Fig. 14. Terminal joint of hind tarsus and claws, J (closely similar in $ ). 

 Fig. 15. "Wing of J (from one of Williston's paratypes). 

 Fig. 10. 5, X 7 : the pale reticulation shown on the abdomen is dae to 



desiccation-shrinkage. 

 Fig. 17. 2, head and body, x 7. 



XIII. — Descriptionn of new Freslncater Fishes from Sierra 

 Leotie. By G. A. Boulenger, F.R.S. 



(Published by permission of the Trustees of the British Museum.) 



A SMALL collection of fislies made at Matca, Sierra Leone, 

 by Mr. N. W. Thomas, and presented by him to the British 

 ]^Ju.«eum, contains examples of three species previously known, 

 viz. Martvsenius brachistiusj Gill, Fnndulus sjoestedli, Lonnb., 

 Jlai'lochdus inacrurvs, Bl^r. ; and of i'our wliich I regard a.s 

 new lo .'science, viz. an Fleotris allied to E. kri'Len.sis, l^lgr., 

 which will be described iti tiie fortiicoming third volume ot 

 the * Briii.sh Mnseum Catalogue/ and tiie following, referable 

 to the genera Barlus, HapJochilus, and ParaWapia. 



