116 

and unrecorded American species of thé ie Phoridae (Dipt. yi | 
_p.155—161. [n. sp.: 1 Hypocera, 2 Aphiochaeta.] — P. Rau, 
Some life history notes on the black widow spider Latrodectus 
mactans. p. 162—166, 1 tab. — C. H. Curran, Concerning | 
the availability of certain taxonomic characters and- their signi- | 
ficance (Dipt.). p. 167—169. — G. W. Barber, Doratura 
stylata Bohm. in Massachusetts. p. 170. — eR eS of the | 
Cambridge Entomological Club. p. 170— 173. | 
The Canadian Entomologist. Hrsg. v. J. Me Dunnough. 
Vol. LVI, nr. 4. ‘Orillia, 5: IV, 1924: 
A. Gibson, The occurrence of the Ptinid beetle Niptus 
hololeucus Fald. in North America. p. 74—76. — H. L. Vier-" 
eck, Prodromus of Andrena, a genus of bees. (Forts.) p. 76—81. 
[9 n. sp] — R. C. Tr oh ne. Thysanoptera known to occur } 
in Canada. p. 82—88, 1 fig. WE sp.| — 0. A. Johannsen, i 
A new Chloropid subgenus and species from New York. p. 89. 
[1 Doliomyia n. sg] — J. Mc Dunnough, New Canadian 
Ephemeridae with notes. II. (Forts. f.) p. 90—98, 9 fig. [n. sp.: 
2 Hexagenia, 4 Leptophlebia, 6 Centroptilum.] 
— — —. Nr. 5.- 30. V. 1924. 
C. Macnamara, ad food of Collembola. p. 99—105,. 
3 fig. — J.B. Woilis: Two new species of Coelambus (Dytisc.. 
Col.). p. 105—108, 2 fig: — C. H. Curran, A new species” 
of Nothosympycnus (Dolichopodk ) with synopsis of Canidiah species. 
4 
er ae FESSES 

p. 108—110. — H.L. Viereck, Descriptions of new Hymeno- 
ptera in the Canadian National Batlection: Ottawa. p. 110—112. 
[1 Ceratophygadeuon n. g., 1 Telenomus, 1 Odontophotopsis.] —" 
J. Mc Dunnough, New Canadian Ephemeridae with notes. IL: 
(Forts.) p. 113—122, 12 fig. [n. sp.: 2 Cloeon, 1 Pseudocloeon,- 
1 Ameletus, 9 Heptagenia.| — J. H. Emerton, Recent col- 
lections of Canadian spiders. p. 122—124. | 
NTE DEC VI DE re 
R. Hopping, Yellow pine (Pinus Rn as a host in 
British Columbia. p. 125—128. — J. Mc Dunnough, New 
Canadian Ephemeridae with notes. II. (Schlufs.) p. 128—133. 
in. sp.: 2 Iron, 4 Cinygma | — C. H. Curran, Seven new species 
of Rhaphium (Dolichopod.) p. 133—141. — H. B. Hungerford, 
A new Mesovelia with some biological notes regarding it (Hem. 
Mesovel.). p. 142—144. — J. M. Swaine, New species of the 
genus Phloeosinus Chapius (Col.). p. 144— 149. [6 n. sp.] — 
J. D. Hood, A new Sericothrips (Thysanoptera) ne to | 
cotton. p. 149—150. 3 

