From the Annals and Magazine of Natural History, 

 Ser. 8, Vol. iii., April 1909. 



Two new Species of Gryllacris in the University Museum^ 

 Oxford. By Dr. Achille Griffini (K. Istituto tecnico, 

 Genova, Italy). 



1 HAVE recently received for identification from the Hope 

 Department, University Museum, Oxford, owing to the 

 courtesy of Professor E. B. Poulton, F.R.S., and Mr. R. 

 Shelford, a series of undetermined Gryllacridae. In a memoir 

 of some length, communicated to the Sociefa Italiana di 

 Scienze Natural! in Milano at its session of January 31st, 

 1909, I have described the African, Indo-Malayan, and 

 Australian species of this family of Locustodea in the Oxford 

 Museum collection. The following account treats of the only 

 two Neotropical species in this collection ; the species evidently 

 are new to science, and one {Gryllacris longstaffi) is highly 

 remarkable on account of tlie extraordinary structure of the 

 apex of the abdomen, and of the external genitalia of the 

 male. 



I seize this opportunity to express my sincere thanks to 

 Professor Poulton for permitting me to examine this interesting 

 collection, and in particular to Mr. R. Shelford for the trouble 

 he has taken in transmitting the specimens to me and in 



