Mr. J. S. Baly on new Species of Crioceridse. 153 



the interpretation of what I have seen, I may refer to the testi- 

 mony of a celebrated witness, who detected the same pheno- 

 menon long before me. This is Treviranus, who makes the 

 following statement : — " In one of the Phalangia that I examined 

 I found an ovary filled with eggs, but, instead of the laying-tube, 

 a male genital organ. Hermaphroditism, which has often been 

 observed in the Lepidoptera, appears, therefore, not unfrequently 

 in the Phalangia" {I. c. p. 38). 



This case, in my opinion, agrees exactly with those observed 

 by me, if we only admit that the organ described as an ovary 

 can have been nothing but the testis. And this will be the less 

 doubtful when we consider that, as already stated, Treviranus 

 certainly saw the testis, but was not in a position to recognize 

 it as such. 



As regards the ultimate fate of these eggs, there seems to be 

 no doubt that, after persisting for a longer or shorter time, they 

 disappear. In favour of this we may quote as an analogous 

 example the case of some of our indigneous toads [Bufo variabilis, 

 B. calamita, and especially B. cinereus), the males of which, ac- 

 cording to the thorough investigations of Wittich, possess, 

 besides a testis, a more or less rudimentary ovary*. From these 

 investigations it appears clearly that the ova produced by this 

 ovary, after attaining a certain degree of maturity, finally become 

 aborted and disappear f- 



XIX. — Descriptions of new Species of Crioceridse. 

 By J. S. Baly. 



Crioceris scabrosa, Baly. 

 , C. elongata, subcylindrica, plumbea, subnitida, pube aureo-sericea 

 brevi vestita ; capite rugoso ; antennis dimidio corporis longioribus, 

 obscure rufo-piceis, basi et apice nigris ; thorace sat profunde 

 transversim strigoso, fere glabro, lateribus vix constrictis ; elytris 

 crebre rugoso- punctatis, elevato-reticulatis, reticulis fere lsevibus, 

 glabris, disco anteriore dilatatis, et ibi superficiem totam fere am- 

 plectentibus ; tarsis obscure cyaneis ; tibiis intermediis ad apicem 

 incrassatis, intus curvatis. 



Long. 4 lin. 



Hab. Mexico. 



Elongate, subcylindrical. Head not constricted behind the 



eyes ; face subelongate, finely rugose, sparingly clothed on the 



* " Beitrage zur morphol. unci histol. Entvvickelung der Ham- unci 

 Geschlechtswerkzeuge der nackten Amphibien," Siebold and Kolliker's 

 Zeitschrift, Bd. iv. p. 159. 



•f Morphologically it is an interesting fact that the ovary in the above- 

 mentioned toads occurs as a perfectly independent organ having no further 

 connexion with the testis, whilst the seminal gland of Phalangium (espe- 

 cially in P. opilio) has completely the character of an hermaphrodite gland. 



