264 Ins, 
NBUROPTERA. 
A larva, said to be that of Ephemera vulgata, anatomically figured by 
C. F. Young, Sci. Goss. xvii. p. 84. 
Drawings of nymphs of various genera exhibited, with notes ; A. E. 
Eaton, P. E. Soc. 1881, p. xiv. 
Euthyplocia, notes on nymph of; id. 1. c.p. xxi. 
Falingenia longicauda, recorded from Hamm ; Von Roehl, SB. Ver. 
Rheinl. 1881, p. 164. 
Asthenopus, Eaton, = Campsurusj Eaton j Eaton, Ent. M. M. xvii. 
p. 192. 
Leptophlebia. Eaton, Z. c. pp. 193-196, subdivides this genus into 
several genera, retaining the name for Eph. marginata, L., as type. 
Boitis is restricted by Eaton, Z. c. p. 196, to Eph. binoculata, L., and 
allies, and is redescribed. 
Heptagenia is equally subdivided, and the characters reviewed ; Z. c, 
xviii. pp. 21 & 24. 
Ametropus, Albarda, recharacterized ; id. 1. c. p. 22. 
Ecdyurus (= Ecdyoneurus, olim), Eaton, is reviewed by him, and has 
for type Eph. venosa, F. ; id. 1. c. p. 25. 
New genera : — 
Elassoneuria, Eaton, Ent. M. M. xvii. p. 191. Allied to Oligoneuria, 
differing in neuration, &c. ; type, Oligoneuria trimeniana, McLach. 
Spaniophlebia^ id. ibid. Allied to Lachlania ; type, S. trailice^ sp. n., 
ibid.^ Amazons. 
Homceoneuria, id. Z. c. p. 192. Allied to Lachlania and Spaniophlebia ; 
type, H. saloinice^ sp. n., ibid.y Guatemala. 
JbZZa, id. ibid. Allied to Polymitarcys ; type, Palingenia rceseli, Joly. 
lihoenanthus, id. ibid. Allied to Potamanthus^ differing in the length of 
the set® ; type, Rh. speciosus, sp. n., ibid.^ Lahat. 
Blasturus, id. Z. c. p. 193, = Leptophlebia^ ser. 4 , Eaton, 1871 ; typo, 
Ephemera cupida^ Hag. 
Atalophlebia, id. ibid. Allied to Leptophlebia ; type. Ephemera australis^ 
Walker. 
Adenophlebia, id. Z. c. p. 194, = Leptophlebia, ser. 1 (portion) and ser. 2, 
Eaton, 1871 ; type, Eph. dislocans (= L. auriculata, $ , Eaton), Walker. 
Choroterpes, id. ibid. Allied to Leptophlebia ; type, Ch. lusitanica, 
sp. n., ibid., Portugal (= L. picteti, Eaton, of. OR. Ent. Belg. xxv. 
p. cxxxv.). 
Thraulus, id. Z. c. p. 195. Allied to Leptophlebia] typo, Th. bellus, 
sp. n., ibid., Portugal. 
Habrophlebia, id. ibid., = Leptophlebia, ser. 5, Eaton, 1871 ; type, Eph. 
fusca, Curtis. 
Callibcetis, id. Z. c. p. 196. Allied to Bcetis ; type, Bcetis pictus, Eaton. 
Calliarcys, id. Z. c. xviii. p. 21. Allied to Habrophlebia and Thraulus ; 
type, C. humilis, sp. n., ibid., Portugal. 
Chirotonetes is substituted for Isonychus, Eaton, on account of prior 
usage ; id. ibid. 
Atopopus, id. Z. c. p. 22. Allied to Heptagenia ; type, A. tarsalis, sp. n., 
ibid., Labuan. 
