On a new Species q/'Tabaiiidje/rom British Guiana. 213 



width ; maxillary extending to below posterior border of eye. 

 Gill-rakers rather long and slender, 12 on lower part of 

 anterior arch. Dorsal II 8, 2^ times as distant from liead or 

 from root of caudal. Anal III 8, originating below middle of 

 dorsal. Pectoral | length of head. Caudal deeply notched. 

 Caudal peduncle twice as long as deep. Scales 4.8 p, 3|- be- 

 tween lateral line and ventral ; lateral scales with 16 to 18 

 radiating strong keels terminating in spines ; lateral line 30. 

 Olive-brown above, whitish on the sides, with five olive-brown 

 longitudinal streaks running between the series of scales, 

 silvery white beneath ; a large black ocellar spot, edged 

 with yellow, at the root of the caudal ; dorsal and caudal 

 greyish, otiier fins whitish. 



Total length 200 mm. 



A single specimen from Boca de Calima, Choco, 5200 ^\., 

 from the collection of Mr. M. G. Palmer. 



Curimatus lineopunctatus. 

 Depth of body 2^ to 2| times in total length, length of 

 head 4 times. Head nearly twice as long as deep, upper 

 profile scarcely concave at occiput ; eye a little longer than 

 snout, a little shorter than interorbital width, 3 times in 

 length of head ; adipose eyelid rudimentary. Gill-rakers 

 short, 16 or 17 on lower part of anterior arch. Dorsal III 9, 

 its origin nearer end of snout than root of caudal. Anal 

 III 7. Pectoral | length of head, not reaching ventral. 

 Belly not keeled behind the ventrals. Caudal deeply forked, 

 a little longer than head. Caudal peduncle as long as deep. 

 Scales 40-42 -^^ 6-7 between lateral line and ventral. Steel- 

 grey above, silvery white beneath, the scales on the sides 

 with round black spots forming regular longitudinal series ; 

 a large round black blotch on the caudal peduncle. 



Total length 135 mm. 



Five specimens from Novita, Rio Tamana, Choco, 150- 

 200 it., from tlie collection of Mr. M. G. Palmer. 



XXIII, — Entomological Notes from the London School of 

 Tropical Medicine. — No. I. Description of a new Species 

 of Tabanidse from British Guiana. Qy SoPHiA L. M. 

 Summers, M.A., B.Sc* 



The species described below is near Dichdacera testacea, 



Macq., which, as Miss Ricardo states, has not the typical 



* Communicated by Lt.-Culunel A. Alcock, C .I.E., F.K.S. 



