384 THE CA.NADIAN ENTOMOLOGIST. 



Subfamily III. — Cryptocerinse. 

 Genera : Procryptocerus, Emery ; Cryptocerus, Latr. ; and Zacryp- 

 tocerus, Ashra., n. g. (type Cryptocerus multistrigus, Sm.) 



Subfamily IV. — Calaulacinse. 

 Genera : Otomyrmex, Forel ; Cataulacus, Smith ; Calyptomyrmex, 

 Emery ; and MeranopluS;, Smith. 



Family XLVIII. — Dolichoderidce. 

 Genera : Monacis, Roger ; Hypoclinea, Roger ; Aneuretus, Emery ; 

 Dolichoderus, Lund ; Leptomyrmex, Mayr ; Turneria, Forel ; Bothrio- 

 myrmex, Mayr 3 Forelius, Emery; Tapinomma, Forster; Dorymyrmex, 

 Mayr; Iridomyrmex, Mayr; Liometopum, Mayr; Linepithema, Mayr; 

 and Azteca, Forel. 



Family XLIX. — Formicidce. 

 Subfamily I. — Gesomyrmicinfe. 

 Tribe I. — Myrmoteratini. Genus Myrmoteras, Forel. 

 Tribe H. — Giganliopini. Genus Gigantiops, Roger. 

 Tribe III. — Gesomyrmicini. Genera : Gesomyrmex, Mayr, and 

 Dimorphomyrmex, Andre. 



Subfamily II. — Camponotinae. 



Tribe I. — Qi^cophyllini. Genus CEcophylla, Smith. 



Tribe II. — Polyrhachidini. Genera: Echinopla, Smith; Hemioptica, 

 Roger ; and Polyrhachis, Smith. 



Tribe III. — Camponotini. Genera : Opisthopsis, Emery ; Tanse- 

 myrmex, Ashm., n. g. (type Formica longipes, Gerst.) ; Mayria, Forel ; 

 Calobopsis, Mayr; Camponotus, Mayr; Dinomyrmex, Ashm., n. g. (type 

 'Formica gigas, Latr.) ; Rhinomyrmex, Forel ; Orthonotus, Ashm., n. g. 

 (type Formica sericea, Fabr.); Calomyrmex, Emery; and Dendromyrmex, 

 Emery. 



Subfamily III. — Formicinae. 



Tribe I. — Plagiolepidini. Genera : Notoncus, Emery ; Prenolepis, 

 Mayr; ? Mesoxena, Smith; Acantholepis, Mayr; Acropyga, Roger; 

 Plagrolepis, Mayr ; Myrmelachista, Roger ; Brachymyrmex, Mayr ; 

 Aphomyrmex, Emeiy. 



Tribe II. — Lasiini. Genera : Proformica, Ruszky ; Melophorus, 

 Lubbock ; Lasius, Fabricius ; and Acanthomyrmex, Mayr. 



Tribe III. — Formicini. Genera: Myrmecocystus, Wesmael; Formica, 

 Linne ; and Polyergus, Latreilie. 



