TABLE OF CONTENTS. V 



Page. 



Mann, William M. Three new Myrmecophilous beetles. 



No. 2387. October 5, 1921 » 547-552 



New genus: Crematoxenus. 



New species: Crematoxenus aenigma, Ecitophya consecta, Fustiger 



clavipilis. 

 New tribe: Crematoxenini. 



Merrill, . George P. On the mineral composition and 

 structure of the Troup meteorite. No. 2384. Septem- 

 ber 15, 1921 1 477-478 



Pearse, A. S. Crustacea from Lake Valencia, Venezuela. 



No. 2381. August 11, 1921 K.. 459-462 



New species: Leptotrichus pittieri, Aegathoa lazzari. 

 Pilsbrt, Henry A. Barnacles of the San Juan Islands, 



Washington. No. 2362. June 27, 1921 *.__ 111-115 



New species: Balanus engbergi. 

 Rohwer, S. A. Notes and descriptions of neotropical saw- 

 flies of the subfamily Perreyiinae. No. 2366. June 20, 



1921 » 161-167 



New Species: Lophyorides melangastra, L. modesta, Heteroperreyia 

 costata, Perreyia unicolor. 



Notes on sawflies, with descriptions of new genera 



and species. No. 2361. June 28, 1921 * 83-109 



New genera: Cromaphya, Amonophadnus, Zasenoclia. 



New species : Xiphydria champlaini, X. heritierae, X. flavicarnis, 

 X. pyrura, Arge annulitarsis, A. dentipes, Cibdela chinensis, C. 

 melanoptera, Neodiprion (Neodiprion) eximina, N. (N.) excitans, 

 Taxonus attenatus, T. fletcheri, Jermakia dentisterna, Tenthredo 

 balabatea, Tenthradella Tcumaonensis, T. siabataka, T. niapa, Macro- 

 phya lucida, Cromaphya serricomis, Amonophadnus submetallicus, 

 Zasenocelia albocoerulea, Senoclia diascoreae, S. bilanga, Tomostethus 

 (Tomostethus) tenuicornis, T. (T.) gracilicornis, Hemichroa (Hemi- 

 chroa) orientalis, Croesus orientalis. 



New subspecies: Xiphydria heritierae, subspecies borneensis. 



Some notes on wasps of the subfamily Nyssoninae, 



with descriptions of new species. No. 2374. August 11, 



1921 x _ 403-413 



New genus: Ceratostizus. 

 New species: Nysson (Zanysson) plesia, N. (Foxia) secunda, N. 



(Nysson) marlatti, N. (N.) minimus, N. (Brachystegus) foxii, N. 



(B.) barberi. 

 New subgenus: Zanysson. 

 New variety: Nysson (Brachystegus) opulenius, var. daJcotensis. 



Sandhouse, Grace. See Cockerell, T. D. A 455-457 



Schaeffer, Charles. New species of North American 

 Clerid beetles of the genus Aulicus. No. 2365. Juno 28, 

 1921 1 151-159 



New species: Aulicus fissipes, A. nigriventris, A. dentipes, A. anten- 

 natus. 



1 Date of publication. 



