548 
ZOOLOGICAL LITERATUllE. 
and 5 more are here described as new. The sections adopted in 
this extensive subfamily are indicated below : — 
I. Pit of antennae terminated outwardly by a keel ; clypeus in ^ and $ 
interposed between the articulations of the antennae j frontal laminae 
in the middle of the anterior part of the head ; funiculus with no dis- 
tinct club (=iAttidce), 
Genera : JEldton (Lat.)^ Typhlatta (Smith), Atta (Fab.), and S&i'ioomyr^ 
mex, g. n. 
II. Pit of antennae without a keel j clypeus and frontal laminae as in pre- 
ceding section. 
A. ^ and $ antennae 12 -jointed; last three joints of funiculus shorter 
than the rest. 
Genera : Myrmecia (Fab.), Ischnomyrmex (Mayr), Aphcmogaster (Mayr), 
Trichomynnex, g. n., Macromischa (Rog.), and Myrmica (Lat.). 
B. ^ and $ antennae 12-jointed (sometimes 11 -jointed m Leptothorax) \ 
last 3 joints of funiculus longer than or equal to the rest. 
Genera : Leptothorax, Tetramorium, Asemorhoptnim, Temnothorax, Strongy- 
lognathus, Siud Monomoi'iimi (Mayr. ), (Curt.), Pheidole (Westw.), 
and Vollenhovia, g. n. 
0. ^ and 5 antennae 7-11-jointed ; mandibles trigonate. 
Genera : Fhekhlogeton and Tomognathus (Mayr), Cremastogaster (J^und), 
Phacota and Oocercea (Hog.), Stenamma, Carehara, and Solenopsis (Westw.), 
Podomyrma and Ileptacondylm (Smith), and LiomyrmeXy g. n. 
III. Antennal pit without external keel ; clypeus not interposed between 
the insertions of the antennae j frontal laminae as in preceding j 
mandibles trigonate. 
Genera : Pseudomyrma (Gu6r.), Sima (Rog.), Myrmicocrypta (Smith), 
and Apterostigmay g. n. 
IV. ^ and 5 frontal laminae on the lateral margins of the head (= Cryp- 
toceridce) . 
Genera : Cryptocerus (Lat.), Cyphomynnex (Mayr.), CataiilacuSy Merano- 
pluSy CeratobasiSy StrumigeiiySy and Orectognathus (Smith), and Dacetuu 
(Perty). 
Mayr gives descriptions or remarks on the characters of the following pre- 
viously described species of this family : — Camponotus [Formica^ macida- 
tus (Fab.), 1. 0 . p. 27 ; sexguttatus (Fab.), 1. c. p. 28 ; pallidas (Smith), ibid, j 
tinctus (Smith), l.c. p. 30; morosus (Smith), /. e. p. 32; cruentatas (Lat.), Z. c. 
p. 33 ; C. cencopiloms (Mayr), 1. c. p. 34, pi: 1, fig. 2 ; C. niveosetosus (Mayr), 
/. c. p. 35, pi. 1. fig. 3; and C. orassus (Mayr), 1. c. p. 37, pi. 1. fig. 4. Po- 
LY]iiiACiiis^.»re6*sa (Mayr), I, c. p. 39, pi. 1. fig. 6; P argentea (Mayr), 1. c. 
p. 40, pi. 2. lig. 7 ; P. dives (Smith), pi. 2, fig. 8 ; P. clypeula (Mayr), 1. c. 
p. 42, pi. 2. fig. 9 ; P. aurichalcea (Mayr), 1. c. p. 43, pi. 2. fig. 10 ; P. striata 
(Mayr), I, c. p. 44, pi. 2. fig. 11 ; P. frauenfeldi (Mayr), 1. c. p. 45, pi. 1. 
fig. 6. Echinopla lineata (Mayr) 1. c. p. 48, pi. 2. fig. 12 ; F. senilis (Mayr), 
1. c. p. 49, pi. 1. fig. 13. PiiEN'OLEPis [Pormfca] longicornis (Lat.), 1. c. 
p. 50 ; P. fidva (Mayr), 7 c. p. 51, pi. 2. fig. 14 ; and P. ohscura (Mayr), 1. c. 
p. 52, pi. 2. fig. 15. Plagiolepis flava (Mayr), 1. c. p. 53. Lasius [Po/-- 
mica'] familiaris (Smith), 1. c. p. 66. Acanthoi.epis capensis (Mayr), I, c. 
