BIOLOGY. 
Ins. 87 
Polistes , habits, Adlerz (14). 
Chrysididoe at Par&, Ducke (412). 
Recent work on ants, Escherich (470). 
Habits of ants, Fields (501). 
Habits of ants; using larvse for spinning silk, etc., Forel (532). 
Social parasitism, ants, new form of, Wheeler (1522). 
Inquiline ants, Wheeler (1518). 
Mixed nests of ants artificial, Fielde (503). 
Experiments on ants, temperature and submergence, Fielde (504). 
Stopper-headed Colobopsis , Wheeler (1519). 
Crustacean -eating ant, Wheeler (1523). 
Tomognathus sublcevis , habits, Wellenius (1508). 
Formica sanguinea , composition of colonies as regards young etc., 
Wasmann (1484). 
Pupation of Ectatomma tuberculatum, Cook (311), Wheeler (1517). 
Formica rubicunda and Xenodusa , relations, Muckermann (968). 
The relations of Lomechusa and Formica, as regards production of 
pseudogynes, Viehmeyer (1444). 
Symbiosis, ants and Homoptera, Java, Penzig (1017). 
Ants and plants, symbiosis, Forel (526). 
Ants as originators of mounds in swamps, Holmgren (70l). 
Habits of Termites, establishing colony etc., Jacobson (741). 
Termites, habits, founding nests, P^rez (1022). 
Termitidce, S. American, habits, Silvestri (1299). 
Nests etc. of Termites, Sjostedt (1301). 
Termites as carriers of water, Elliot (448). 
Ants’ nest, Insects, Silvestri (1298). 
Ants’ nest, Coleoptera , Brues (188). — Ecitomdia and its hosts, Brues 
(189), Fauvel (488). — Danish myrmecophilous Col., Johansen (764), 
Normand (983), Schmidt (1230), Wasmann (1484, 1486). — Paussidce , 
Wasmann (1481). 
New suborder of Termitophilous insects, Breddin & Borner (165). 
Termitophilous Insects, Wasmann (1485). 
Myrmecophilous and termitophilous Ilemiptera, Breddin (167). 
Termitophilous Coleoptera , Lewis (880), P^ringuey (1028), Was- 
mann (1484a). 
Bees’-nest insects, Brazil, Wasmann (1482). 
Cave insects, Absolon (6), Chobaut (272), Csiki (332), In Australia, 
Lea (864), Muller (970). Cavern Coleoptera, Abeille (2). — Subterranean 
spring, n. g. Dytiscidce, Abeille (3), Abeille (4), Basses Pyrenees, Bathy- 
scia, 2 spp. n. — Breit (174), Chobaut (268, 271), Csiki (328)* Dodero 
(397), Mayet (926), Muller (971), Peyerimhoff (1041, 1042), Reitter 
(1142-1152). — African cave-beetle, Reitter (1154). — Schatzmayr (1223), 
Zoufal (1549). 
Dipteron in hot spring, abundance and continuance, Poynton (1105). 
Marine larva of Ajohrosylus commensal with Balanus, RoubauD (1200). 
Hypermetamorphic beetles and their hosts, triungulins and triunguloids, 
Pierce (1086). 
Diptera mining in wings of live butterflies, Schulz (1256). 
Relations of Anthophora and Melecta, Semichon (1283). 
Parasitism of Dermatobia , Ward (1472, 1473). 
Pitcher-plant, insects, Jones (766). 
Insect-catching grass, Schwarz (1260). 
Adobe walls, insects in, Beyer (123). 
Various insects, brief notes on habits, Stefani-P^rez (1340). 
Notes on the habits of insects of various orders, Zambeu (1539, 1540). 
Habits of Geotrupes, Ohaus (992). 
Habits, nest-construction, Attelabus bipustulatus , Girault (610). 
