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O. E. PLATH. 



loose web of silk, doing this a day or two before they begin to spin 

 their cocoons.'' 



Fig. 2 



FIG. 2. Comb of Bremus affinis showing exposed larvae. Natural size. 



In this connection the writer would like to call attention to the 

 fact that some of our American Amarsipcea, e.g., Bremus affinis, 

 occidentalis, and terricola, have the same habit (cf. Fig. 2). 

 Quite contrary to this treatment of the larvae is that of the other 

 American and European Amarsipcea whose habits have been 

 studied, for the latter carefully keep their larvae covered with 

 wax (cf. Fig. 3). 



Because of this difference in habit, the present writer proposes 

 the name Phaneroschadonenta (from Greek phaneros, visible, and 

 schadon, a bee larva) for those Amarsipcea whose larvae are visible 

 during the greater part of their development, and the name 

 Cryptoschadonenta (from Greek cryptos, hidden) for those Amar- 

 sipcea which keep their larvae covered with wax. 



In addition to the very loosely connected cocoons and the 

 uncovered larvae, the Phaneroschadonenta exhibit a number of 

 other peculiarities which mark them as a distinct group. Among 



