308 



observation if placed in line glass tubes ^vith their prey. So 

 tine glass tubes were drawn out from the glass tidiing of abciut 

 one-fourth inch which had been used to contain the twigs and 

 larvae placed with these, the larger ends serving as entrance 

 chandx'rs. These tubes were a little larger than the Hypothe- 

 -nemns tunnt'ls. Larvae placed in these tubes with the CcpJia- 

 lonomia alone interested her, but she seemed disturbed. On 

 adding the tine debris from the Hypotlmemus tunnels condi- 

 tions were more nearly normal and I was able to observe her 

 at work making her way slowly through the debris. When she 

 encountered a larva she would examine it for a moment, then 

 proceed to sting it in the head without much of an effort 

 and pass on with little consideration for her victim and no 

 evidence of any fear of injury from its mandibles. AVhen 

 a ])upa was encountered, the apex of the abdomen was the 

 part attacked. In this way in a very few moments all the 

 larvae and a pupa were attacked and quieted. By the next 

 morning all the larvae an'd ])u])ae (six in all) were paralyzed, 

 but no eggs had been yet laid on the second day. 



^ly observations upon this species were unfortunately 

 cut short owing to my preoccupation wdth the Sclerodcrnius. 

 It was found possible in this way to breed the species l)ur the 

 time required to find the minute larvae necessary for brecdiug 

 the s])ecies made is possible' to do only desultory work ou 

 this s])ecies. Newly hatched Ncoclytarlus larvae, small Sin- 

 o.iyloii larvae and Protcrhinus larvae and pupae were 

 liowevcr utilized by the adults for food and eggs laid 

 upon tliem. Tlu' larvae of a Scolytid breeding in wiliwili 

 wood ( Eryl/iriiui monosperma) supposed to belong to Xyle- 

 bonis were somewhat slimy upon the surface and were at first 

 rcjcctod, but hitci- u])on being forced to it by necessity were 

 utilized for both feeding and breeding purposes. 



This colony at length died out through neglect after about 

 twenty adults had been bred and the species has not since 

 been encountered. 



It is evident fi-om the notes above that Ceplialononiia re- 



