Sept., 1914-] 



Crampton : Misuse of Terms. 



261 



1910b. Snodgrass. The Thorax of the Hynicnoptera. Proc. U. S. Nat. Mu- 

 seum, Vol. 39, pp. 37-91- 

 1832. Westwood. The Entomologist's Text Book. London, 1832. 



Abbrev 



aba. Anterior basalare. 



abd. Abdomen. 



aes. Anepisternum. 



ant. Antealare. 



apt. Adanal pterale. 



ex. Coxa. 



d. Suture marking oft' anepisternum 



(aes). 

 dc. Distal calypter. 

 era. Epimeron. 

 es. Episternum. 

 g. Pleural suture, 

 h. Halter. 



hem. Hypoepimeron. 

 hyp. Hypopteron. 



ip. Interpleurite (lateral cervical). 

 1st. Laterosternite. 

 Ipl. Lateropleurite. 

 m. Medipterale. 

 me. Mcron. 



mpl. Meropleurite (me + hem), 

 npt. Notopterale. 

 pa. Parapsides. 

 pas. Parascutellum. 

 pat. Patagia. 



The subscripts i, 2 and 3 denote that the sclerite in question belongs to 

 the pro-, meso-, or metathorax. 



Explanation of Plate VII. 



Fig. I. Prothorax of Agrotis pronuba, showing patagia (pat). Based on 

 Fig. 154 of Kolbe's " Einfuehrung in die Kenntnis der Insekten." 



Fig. 2. Lateral view of ground plan of typical thoracic segment. 



Fig. 3. Lateral view of mesothorax of Dytiscus. 



Fig. 4. Dorsal view of mesothorax of Tabaiins. Left half alone depicted. 



Fig. 5. Lateral view of thorax of Leptis. 



Fig. 6. Dorsal view of mesothorax of Xiphidria. Right half alone de- 

 picted. The region " pot " is not represented in Xiphydria itself, but is present 

 in the more primitive saw-flies, such as Tcnthredo, Macroxyela, etc. 



