Xviii ILLUSTRATIONS 



FIGURE PAGE 



235. Grub of the Powder-post Beetle (fig. 191). Bur. Ent 112 



236. Grub of the Grape-vine Flea Beetle (fig. 200). Bur. Ent 112 



237. Grub of the Drug-store Beetle (fig. 166). Bur. Ent 112 



238. Grub of the Cotton Boll Weevil (figs. 177, 178). Bur. Ent 112 



239. Grub of the Shot-hole Borer (fig. 190). Bur. Ent 112 



240. The grub or larva of a West Indian Fire-fly {Pyrophorns luminosus) from 

 Mayaguez, Porto Rico. Courtesy of Dr. James A. Hyslop 114 



241. The same on a black background, showing the luminescence. Courtesy 



of Dr. James A. Hyslop 1 14 



242. Pupa of the same Fire-fly in dorsal view. Courtesy of Dr. James A. 

 Hyslop 114 



243. The same, ventral view. Courtesy of Dr. James A. Hyslop 114 



244. Ventral view of the pupa on a black background, showing the lumines- 

 cence. Courtesy of Dr. James A. Hyslop 114 



245. The light organ on the under side of another West Indian Fire-fly {Py- 

 rophorus hesperus) from Barracoa, Cuba. Courtesy of Dr. James A. 

 Hyslop • • 114 



246. A Strepsipteran {Delphacixenos anomaloceriis) parasitic on a Fulgorid 

 {Delphax striaklla), male. From Pierce, U. S. N. M 112 



247. A Strepsipteran {Austrostylops gracilipes), male. From Pierce, 



U. S. N. M 112 



248. A Strepsipteran {Pentozoe peradeniya) parasitic on Thompsoniella 

 arcuata, male. From Pierce, U. S. N. M 112 



249. A Strepsipteran {Dacyrtocara undata) parasitic on a Leaf-hopper 

 (Oncojnetopia undata, figs. 425, 426), female. From Pierce, U. S. N. M. 112 



250. Ventral view of the triungulinid young of a Strepsipteran {Stylops 

 swenki). From Pierce, U. S. N. M 112 



251. A curious staphylinid beetle {Thyreoxenus pulchellns) found in the nests 

 of white ants or termites {Nasutitermes ephralae) in British Guiana. From 



W. M. Mann 116 



252. Another staphylinid beetle (Eburniola leucogaster) found in the nests of 

 another kind of termite {Nasutitermes guayanae) in British Guiana and 

 Trinidad. From W. M. Mann 116 



253. A staphylinid beetle {Termitogaster emersoni) found in the nests of ter- 

 mites (Nasutitermes ephratae) in British Guiana and Trinidad. From 



W. M. Mann 116 



254. A staphylinid beetle (Thyreoxenus parviceps) found in the nests of ter- 

 mites (Nasutitermes costalis) in British Guiana and Trinidad. From 



W. M. Mann 116 



255. A staphylinid beetle (Corynihogastcr miraiuia) found in the nests of quite 

 a different kind of termite (Cornitermes pugnax) in British Guiana. 

 From W. M. Mann 116 



256. A Pangonid Fly (Pangonia longirostris), related to our Horse-flies; some 

 of these are said to bite after the fashion of a humming-bird feeding on 

 flowers. After Hardwicke 116 



257. The second stage larva of an Asiatic Lady-bird (Chilocorus bimilnerus) . 

 Bur. Ent 116 



