BUFFALO SOCIETY OF NATURAL SCIENCES 53 



with any of Walker's other Jamaican species of Centrotus and 

 is probably undescribed. 



Stal founded this genus for Centrotus ignipes Walker and 

 fiavivitta Walker. After a careful study of the descriptions 

 and material accessible to me I would place the following species 

 in this genus, all from Jamaica: 

 Suprahumeral horns broad: 



C. ignipes Walker. Cat. Homop., p. 616. 

 C. platycerus Walker. Cat. Homop. p. 618. 

 C. cribratns Walker. Cat. Homop. p. 619. 

 Suprahumeral horns slender, acute: 



Prothorax marked with yellow vittse: 



C. fiavivitta Walker. Cat. Homop. p. 617. 

 C. aurifascia Walker. Cat. Homop. p. 618. 

 C. aur (fades Buckton. Monog. p. 248. 

 Prothorax without the yellow vittae : 



C. jncundus Walker. Cat. Homop. p. 620. 



Aethalion nervoso=punctatus Sign. ? 



While at Mandeville I took two examples of a small 

 Aethalion that is very near Signoret's species. A comparison 

 with Mexican material may, however, show it to be distinct. 



In placing this genus under the Membracidae I do not wish 

 to be understood as passing any judgment as to its systematic 

 position. Perhaps a more logical arrangement would be to 

 place it as a separate family of equal rank with the Membracidae 

 on the one hand and the Bythoscopidae on the other, and 

 arrange these with the Tettigonidae and Jassidati in the super- 

 family Jassoidea. 



Note : I took at Mandeville four examples of a very small brown 

 insect belonging to the Centrotinae that I have been unable to 

 locate in any described genus. It is a roughly punctured little 

 fellow, two millimetres in length, with the basal one half of the 

 elytra coriaceous and punctured. The pronotum is triangularly 

 produced to about the middle of the abdomen and wide enough 

 to cover most of the scutellum. 



Family Bythoscopidae 



Agallia novella var. tropicalis n. var. 



While on the island I took a long series of what I prefer at 

 present to place as a variety of this species. They were most 



