3.56 COKAL AND ATOLLS 



(5) NOTOGONIA SUBTES^ELLATA, Smith. $ $ . 



The Fossores are not at all numerous, and only very 

 careful collecting produced the very few specimens obtained 

 in the course of fifteen months. 



These five species are not represented in the fauna of 

 Christmas Island. 



DIPTERA. 



Species determined by E. E. Austen, F.Z.S.. 



ASILIDJD. 



(1) Philodicus javanus, Wied. 



A common insect of very voracious habits. It is generally 

 een sitting on the coral boulders in the hottest sunshine. 

 It lies in wait for smaller diptera, and it will attack and kill 

 even butterflies as large as Freds villida. 



BOMBYLID^. 



(2) Anthrax, sp. Only a very few examples met with. 



DOLICHOPODIDiE. 



(3) New genus and species (No. I.), near Fsilojms. 



(4) New genus and species (No. II.), near Psilopus. 



Both of these are common insects, but OAving to their 

 green colour and small size, they are not at all conspicuous. 

 They are shining green flies that are most commonly seen 

 running on the leaves of the Hibiscus. They are extremely 

 active, and are generally found during the hottest hours of 

 the day. 



MusciD^. 



(5) Sakcophaga, sp. No, I. 



