274 CALIFORNIA ACADEMY OF SCIENCES [Proc. 47H Serr. 
11. Tetramorium guineénse (Fabricius) 
Formica guineénsis Fabricius, Ene. Syst., 2, 1793, p. 357%. 
Myrmica bicarinata Nylander, Acta. Soc. Sc. Fennic. 2, 
1846, p. 1061 8 2. 
Myrmica cariniceps Guérin, Rev. Mag. Zool. (2) 4, 1852, p. 
EN. 
Myrmica kollari Mayr. Verh. zool. bot. Ver. Wien, 5, 1855, 
p. 425 8 2 6. 
Tetramorium cariniceps Roger, Berlin, Ent. Zeitschr. 5, 
1861, p. 171. 
Myrmica reticulata F. Smith, Trans. Ent. Soc. London (3) 
Wy SUZ), Ds Sis) 2) 
Tetramorium kollari White, Ants and Their Ways, 1883, p. 
26279), 
Tetramorium guineénse Mayr, Verh. Zool. bot. Ges. Wien, 
ZONES ZO Mp MOT Zo 
A single worker of this undoubtedly introduced tropicopol1- 
tan ant from South Albemarle (F. X. Williams) and 14 
workers taken by the “Albatross” (U.S. Nat. Mus.) but bear- 
ing only the label “Galapagos Islands, 1899.” Emery records 
the species as taken also on the boat at Chatham Island by Dig 
G. Baur. 
12. Tetramorium (Tetrogmus) simillimum (F. Smith) 
Myrmica simillima F. Smith, List Brit. Anim. Brit. Mus. 6, 
Sole pa llS7ex: 
Tetrogmus caldarius Roger, Berl. Ent. Zeitschr. 1, 1857, p. 
Wes | 
Myrmica (Leptothorax) simillima F. Smith, Cat. Brit. Fos- 
sor. Hymen., 1858, p. 31 % 
Myrmica caldaria Meinert, Naturv. Aft. Dansk. Vid. Selsk. 
(D)VO4 LISOOY oy S45 eh a 
Tetramorium simullimum Mayr, Europ. Formicid. 1861, p. 
61 & 
A single worker taken by Dr. Williams on Charles Island, 
“under stones near top of crater.’’ This species, like T. guine- 
énse, is a tropicopolitan “tramp” of Old World origin. It is 
not infrequently found in hot-houses in temperate regions. 
