1914.] NATURAL SCIENCES OF PHILADELPHIA. 635 



Hemiptera are from CEningcn, hut Florissant has about 230. The 

 Hymcnoptera from (Eningen numl)er 60, but those of Florissant 

 are about 220, with only one of the many ants as. yet published. 

 Thirty Diptera come from ffiningen, over 100 from Florissant. 

 (Eningen has only one recorded Trichopteron, Florissant 29. The 

 ffiningen list could be considerably increased if we added a number 

 of species cited by their generic names or even less exactly, but not 

 described or given specific names. Experience shows that such 

 records are too unreliable to be of much value, ffiningen has more 

 species than Florissant in each of the following groups, as the lists 

 stand at present. (0. = QCningen; F. = Florissant.) 



Odonata^ — Libellulidse : O. 9, F. none. However, the (Eningen 

 species are simply a lot of nymphs; one, L. perse, is doubtfully from 

 (Eningen. Specimens of L. eurynome and L. doris are in the Univer- 

 sity of Colorado Museum. 



Thysanoptera — Thripidae: 0. 2, F. none. 



Orthoptera — Gryllotalpini3e : O. 1, F. none. The (Eningen species 

 is stated to be long and narrow, but we have no other details. 



Coleoptera — Carabidse: O. 35, F. 33. Dytiscidae: O. 9, F. 8. 

 Gyrinidse: 0. 2, F. none. Scaphidiidse: 0. 2, F. none. Histeridae: 

 O. 9, F. none. Elateridse: O. 10, F. 4 (but many more Florissant 

 species await description) . Buprestidse: 0. 31, F. 15. Hydrophilidae: 

 O. 17, F. 8. Trogositidae: O. 7, F. 1. Coccinellida : 0. 7, F. 3. 

 Scarabseidffi : 0. 34, F. 28. Florissant especially outranks (Eningen 

 in CurcuUonidffi (0. 24, F. 95) and Staphylinidse (0. 7, F. 45). The 

 most striking feature is the absence of Histerldai at Florissant. It 

 is curious that the lists contain no Cicindelidse. 



Hymenoptera — Cephidse: O. 2, F. 1. Sphecidse: 0. 4, F. 2. 

 (Eningen has 34 described species of ants, Florissant only one, but 

 very numerous ants from the latter place await description by 

 Dr. Wheeler. 



Lepidoptera — Psychidae: O. 1 (a case), F. none. 



Diptera — Bibionidse: O. 14, F. 4. Chinonomidse: O. 3, F. none 

 good enough to describe. Tachinidse: O. 1, F. none. 



Hemiptera — Reduviidse: O. 11, F. 3. Naucoridse: 0. 2, F. none. 

 Belostomatidse: O. 2, F. 1. Nepidse: 0. 1, F. none. 



This enumeration is of interest mainly as a statement of the present 

 condition of our knowledge, but some of the features indicated 

 probably will be confirmed or amplified by fuller data. 



The new species described below have, with few exceptions, been 

 collected by Professor Wickham. 

 42 



