272 BATOCERIDAE. 



pubescence, Mr. Gastro described his species from a large 

 aud robust Q specimen not unlike the 9 of R. megaloce- 

 phala V. d. Poll. From the knowledge of this second fe- 

 male results that the sexual differences of the development 

 of the head and mandibles must be enumerated among the 

 characteristics of the genus Rosenhergia. 



At Darmstadt I found the Batocerids in a most deplorable 

 condition , which made it very difiBcult to study them. 

 Since Kaup's death , I believe about fourteen years ago , 

 no special entomologist seems to have been charged with 

 the care of the entomological collections, and either it is 

 the carelessness of Kaup , who might have neglected to 

 label his Batocerids , or somebody else has spoiled the col- 

 lection by destroying nearly all the labels. Besides four or 

 five labels , which are pinned before some specimens , they 

 are all absent and not a single one of Kaup's type-speci- 

 mens bears any indication as such. Moreover the greater 

 part of the specimens are broken , gummed , rubbed , dirty 

 and oily. Of the species described by Kaup , B. Roseri- 

 bergii and Apriona punctatissima are so very distinct that 

 I easily recognized them , but it was much more difficult 

 to identify the dubious B. Wldtei and B. Wieneckei , in 

 as much as the collection proved to consist of well known 

 species only. Under these circumstances I thought it the 

 best plan to make a catalogue of the contents of the dra- 

 wer, with such annotations and sketches as could be use- 

 ful to recognize the specimens afterwards. The drawer 

 proved to contain : one B. Celehiana Th,, three B. albo- 

 fasciata Deg., four B. rubus L., two B. lineolata Chevr., 

 one B. Rosenbergii Kaup , one B. hercules Boisd., one B. 

 humeridens Th., six B. hector Th. & helena Th, (both spe- 

 cies are as usually mixed up, and are partly in so bad a 

 condition that I could not separate them with certainty ; 

 they are mistaken by Kaup for B. Ajax (Dej.) Th,, ac- 

 cording to the label pinned before them, and whilst Kaup 

 in his publication compares his B. Whitei with Ajax), 



Notes from the Leyden Museum, Vol. IX. 



