Feb., 'o6] ENTOMOLOGICAL NEWS. 41 



can always be recognized by their relative positions. There 

 may be two, three, four, five or all connected with each other, 

 thus it will happen that in C. dimmocki and C. Indus all spots 

 are connected in some way. Again there may be as many 

 as ten spots (C. flavidus), but it will be readily seen 

 that this greater number is caused by the subdivision of some 

 of the above-named maculations. 



The arrow-head and middle spot either coalesce or are sep- 

 arated in the same species (see celer, niger, callidus, dimmocki). 

 The same may be said of arrow-head and occipital border be- 

 low (nigribimbo, dimmocki, flavidus, etc.) The coalescence of 

 upper spot, shaft and occipital border near vertex is equally 

 unreliable as a distinguishing character {univittatus, pudicus) 

 but the connection and separation of border and occipital mar- 

 gin appear to be singularly permanent ; thus in all specimens 

 examined of flavidus the occipital border is separated from the 

 margin, while in brunneus, a closely allied species to flavidus, 

 it is united to it. (Fig. 61 is taken from a New Jersey speci- 

 men, Fig. 62 from a specimen from Ohio). 



The eye of pudicus resembles that of brunneus, here the 

 border also joins the occipital margin, but the middle spot 

 is distinctly different from that of brtitmeus. See figure. 



The eyes of pudicus and cursim seem to be identical in 

 maculation. Not enough specimens of cursim were procurable 

 to enable me to come to a definite conclusion. 



In brunneus, flavidus, pudicus and cursim the shaft is always 

 disconnected from arrow-head. 



Vittatus has its border joining the occipital margin ; in one 

 case only it was found to be partly separated. 



All specimens examined of striatus and sequax had the bor- 

 der separated from the occipital margin. 



Niger and brimleyi are closely allied species and also have a 

 strong resemblance in their eye-maculation. In brimleyi, how- 

 ever, the maculation is very much heavier, the border does 

 not join the occipital margin as it does in niger. 



This latter character is variable in nigribimbo. 



Fugax closely resembles celer, but can at once be separated 

 from the latter by the absence of shaft. Fig. 5 answers very 



