TENTH KEDINIDjE. 
Ins. 151 
Hypolaipus, id. 1. c. Affinities uncertain ; shape of Tenthredo , but with 
some affinities to the Ncmatince. Type, II. abboti , sp. u., 1. c. p. 325, 
pi. xiii. fig. 2, Georgia. 
Aglaostigma , id. 1. c. p. 325. Affiuities uncertain ; type, A. ebumei- 
guttatum , sp. n., 1. c. pi. xiii. figs. 3 & 3 a, Angara. 
Siobla robunta , id. 1. c. p. 253, pi. ix. fig. 21, Georgia. 
Pachyprotasis versicolor , id. 1. c. p. 279, pi. x. fig. 20, North India. 
Macrophya hartigi , fig. 1, Albania, p. 260, corynetes , fig. 3, p. 264, 
lucasi , fig. 2, cognata (nec Mocs., renamed jugurlha , p. 401). fig. 5, 
Algeria, p. 265, abboti , fig. 14, Georgia, p. 269, zoe, fig. 15, Hudson’s Bay, 
p. 270, albifacies , fig. 18, p. 271, cassandra , fig. 13, New York, p. 273, and 
pulcherrima , fig. 19, Florida, p. 275, id. 1. c. pi. x. 
Tenthr ed[in~\opsis nigropectus[nigri-~\, id. l.c. p. 285, pi. xi. fig. 1, Tokio. 
Tenthredo scotica, Cameron, Ent. M. M. xviii. p. 193, Dumfries ; T. 
rejecta and simplex (Zadd., MS.), Dalla Torre, Ber. Ver. Innsbr. pp. 71 & 
72, Tyrol ; T. jocosa , Provancher, Nat. Canad. xiii. p. 298, Canada ; T. 
Jinschi, pi. xvi. fig. 5, Siberia, p. 302, fentoni, fig. 2, p. 304, varipes , fig. 5, 
Japan, p. 305, eburneifrons, fig. 3, Amur, p. 306, fortunii (= obscura , 
Cam., nec Panz.). fig. 11, pi. xi., Shaughai, antennata , fig. 1, Nova Scotia, 
nigricollis , fig. 3, Newfoundland, p. 308, thora , fig. 2, p. 310, subrnfescens , 
fig. 4, p. 311, zetes , fig. 6, p. 312, barns tonii, figs. 9 & 10, Hudson’s Bay, 
p. 314, cressoni , fig. 12, Hudson’s Bay, Nova Scotia, vapida, fig. 7, pi. xii. 
p. 315, uniformis, pi. xi. fig. 14, p. 317, hudsoni , fig. 15, borealis , fig. 13, 
p. 318, vittata, fig. 14, castanea , fig. 17, Hudson’s Bay, p. 319, T. (?) 
aperta , fig. 16, pi. xii., Mexico, T. smithi , pi. xi. fig. 9, India, p. 320, and 
T. (P) delicatula, pi. xii. fig. 8, Venezuela, p. 323, Kirby, l. c. 
Waldheimia batcsi , id. 1. c. p. 327, pi. xiii. fig. 4, Para. 
Lydince. 
The following known species are redescribed and figured (Kirby, List 
Hym. i. pi. xiii.) : — Megalodontes fabricii , Leach, fig. 5, p. 329, Parnphi- 
lius sylvarum , Steph., ( = fulvipennis , Zadd.), fig. 6, p. 336, fiagellicornis, 
Smith, fig. 9, p. 341, venustus, Smith, fig. 11, volatilis , Smith, fig. 13, 
p. 342, and rilcyi , Cress., fig. 8, p. 350. 
Lyda semicincta, Zadd., nec Norfc., renamed Pamphilius hypocinctw, id. 
1. c. p. 403. 
Pamphilius Jl.avifrons, fig. 7, Amur, p. 341, smithi (= la.tifrons, Smith, 
nec Fall.), fig. 14, Japan, snlphureipes , fig. 12, Amur, p. 343, aud mathe- 
maticus , fig. 10, Nova Scotia, p. 348, id. 1. c. pi. xiii., spp. nn. 
Xyelince. 
Macroxyela , g. n., Kirby, List Hym. i. p. 351. Allied to Xyela , but 
much larger ; type, X. ferruginea, Say (redescribed and figured, l. c. 
pi. xiv. fig. 1). 
Gephince. 
The following known species are redescribed and figured (Kirby, List 
Hym. i. pi. xiv.) : — Cephas linearis , Schrank, fig. 7 , pygmceus ) L., figs. 5 & 
