DB. T. SPENCER COBBOLD ON STEONaYLITS AXEI. 259 



" Var. d. Elytris vitta marginali, sutura ad basin maculaque ante 



apicem nigris, 

 "Var. e. Elytris ad suturam, macula humerali et signatura sublaterali, 



formam fere literse X exhibente, nigris. 

 " Prope accedit ad jD. abruptam, prseeipue var. d, et tborace breviori et 



sat fortiter bifoveolato, foveolis transversim inter se subconfluentibus» 



diversa." 



DiABEOTicA Lacoedaieei, Kirsch, Berl. ent. Zeitsch. xxvii. 

 1883, Heft ii. p. 199. 



" Oblonga, convexa, supra glabra, subtus pubescens, albida ; capite, 

 antennis, elytris et metasterno nigris, antennarum articulis duobus 

 antepenultimis et basi ultimi albis ; elytris sparse punctatis, maculis 

 quatuor (2, 1, 1, intermedia maxima transversa) eburneis ; pedibus 

 nigris, femorum basi albida. Long. 9-10, lat. 4| mill." 



" Patria Bogota. 



DiABEOTiCA Jacobti, Kirscli, I. G. p. 200. 



" Oblonga, nitida, glabra, nigra ; antennarum articulis duobus penulti- 

 mis albidis, femoribus posticis abdomiueque testaceis, prothorace, 

 mesosterno, femoribus anterioribus elytrisque prasinis, his apice sul- 

 fureis, basi fusco bimaculatis. Long. 6, lat. 2| mill." 



" Patria Nova Granada (Itinere Popayan-Huilda, 1800-2500 M. alt.)." 



Owing to tlie autlior not having given the relative lengths 

 of the second and third joints of the antennae, I am unable to 

 place these species in either of the two sections into M^hich I 

 have divided the insects described or enumerated in this paper. 

 D. Jacohyi is probably a variety oi D. fusco-maculata, Jacoby. 



Description of Strongylus Accei (Cobb.), preceded by Eemarks 

 on its Affinities. By T. Spencee Cobbold, M.D., T.E.S., 

 F.L.S., Hon. Yice-Pres. Birmingham Nat. Hist, and Micro- 

 scopical Society. 



[Head 21st January, 1886.] 

 (Plate XXXII.) 



Eight years back the late Principal of the Epyal Veterinary 

 College, Professor J. B. Simonds, called my attention to a pen- 

 and-ink sketch of a very small parasitic Nematoid. The figure 

 (reproduced below) was accompanied by a MS. note stating that 

 the entozoon was one of several " embryonic worms " found by a 

 student in the mucous membrane of the stomach of a donkey. The 



