362 
HYMENOPTERA . 
Mesostenus maurus, T. A. Marshall, Ent. M. M. ix. p. 241, England; Jl. 
aztecus, propinquus, p. 152, compactus, discus, facilis, p. 153, acceptus, 
modicus, communis, p. 154, chichimecus, admirandus, p. 155, arcuatiis, 
admotus, p. 156, mexicanus, lassatus, p. 157, moratus, ahsolutus, p. 158, 
accolens, novatus, stupidus, p. 159, abactus, admonitus, p. 160, incertus, 
animatus, p. 161, jjcrtenuis, collaris, arctus, p. 162, Mexico, Cresson, 
P. Ac. Philad. 1873 ; 31. introitus, discoidalis, paludatus, p. 162, dejectus, 
pertinax, arvalis, p. 163, longicaudis, p. 164, Texas, id. Tr. Am. Ent. 
Soc. iv. : spp. nn. 
Christolia nubecula, p. 163, calcarata, zapoteca, p. 164, mirahilis, 
miranda, ahdominalis, p. 165, Orizaba, Cresson, P. Ac. Philad. 1873 : 
spp. nn. 
Cryptanura sumicJirasti, p. 166, delecta, acolhua, p. 167, C. ? pachymenoi, 
p. 168, Mexico, id. I. c. spp. nn. 
HemiteJes lascivus, patruelis, p. 170, exilis, varus, irritatus, p. 171, inge- 
nuus, adjicialis, p. 172, adultus, himaculatus, p. 173, centralis, jnnctus, 
scitulus, monilis, p. 174, admirabilis, sulsus, transilis, p. 175, sennits, 
p. 176, Mexico, Cresson, P. Ac. Philad. 1873 ; IT. conspicuus, id. Tr. Am. 
Ent. Soc. iv. p. 161, Texas : spp. nn. 
Agrothereutes batavus, sp. n., Vollenhoven, Tijdschr. Ent. (2) viii. 
p. 209, pi. ix. fig. 1, Holland. 
Aptesis longicauda, sp. n., id. I. c. p. 210, Gelderland. 
Ophionides. 
Labena, Cresson, re-characterized, and both sexes of L. grallator, Say, 
described: Walsh, Tr. Ac. St. Louis, iii. pp. 160-163. 
New genera and species : — 
Nonnus, Cresson, P. Ac. Philad. 1873, p. 386. Between Limneria and 
Mesochorus. N. atratus and antennatus, p. 387, Mexico. 
Pharsalia, id. Tr. Am. Ent. Soc. iv. p. 177, wing figured. Facies of 
Iphosoma, sculpture of Trachynotiis. P. texana, Texas, virginiensis, West 
Virginia, id. ibid. 
Cryptocentrus, Walsh, I. c. p. 156 (? = Cryptocentrum, Kby.). Ovipositor 
very short, cubito-discoidal cell receiving only one recurrent vein, 6th 
ventral segment in $ not prolonged, areolet obsolete. Tryphon (?) sub- 
marginatus, Cresson. 
Ophion mexicanus and atriventris, Cresson, P. Ac. Philad. 1873, p. 374, 
Mexico. 
Thyreodon n/'ger, maculipennis, p. 375, laticinctus, ornatipennls, p. 376, 
id. I. c. Mexico. 
Anomalon mexicanum, p. 376, intticolle, magnum, peritum, p. 377, resi- 
duum,, scelerosum, Tp.318,fumi2)enne, agnatum, and A. ? elegans, p. 379, id. 
I. c. Mexico ; A. luagniceps, pallitarse, orbitale, p. 170, melleum, p. 171, id. 
Tr. Am. Ent. Soc. iv. Texas ; A.fasciatum, T. A. Marshall, Ent. M. M. 
ix. p. 240, England. 
Paniscus ornatus, Vollenhoven, Tijdschr. Ent. (2) viii. p. 218, Gro- 
niugeu. 
OjdLcojtlcnts fcrniglneiis, Crossoii, P. Ac. Philad. 1873, [). 380, Mexico. 
