142 PROCEEDINGS OP THE AMERICAN ACADEMY 



liODOTERMES Hagen. 



Hagen refers to this genus two fossil species from Oeningen and 

 two from Radoboj. Assmaun also dejscribes a species from Schoss- 

 nitz, and one of the Florissant white ants is referred here doubtfully. 

 The fossil therefore nearly equal in number the living species, which 

 are all inhabitants of the Old World, the most northern species being 

 found in Egypt. 



HODOTERMES ? COLORADENSIS nOV. Sp. 



Metanotum considerably narrower than the mesonotum, as long as 

 broad, tapering posteriorly, the front border straight, the hind border 

 rounded. 



Abdomen ovate, stout, less than twice as long as broad, the sides 

 full, as broad as the mesotliorax, posterior extremity rounded. Ab- 

 dominal appendages long and slender, half as long as the metanotum, 

 composed of at least six or seven joints, slightly tapering, terminating 

 very bluntly. 



Wings very long, the middle of the front pair lying far beyond the 

 tip of the abdomen. Submarginal vein absent from all the wings. 

 Mediastinal vein terminating at the middle of the front border. Scapu- 

 lar vein parallel to the front margin, with at least four branches in both 

 wings, and in the front pair pretty certainly five branches, and per- 

 haps six ; the first branch originates in the front wing at the end of 

 the basal fourth of the wing, in the hind wing a little farther out. 



This species is readily distinguished from all the other fossil Ter- 

 mitina of North America by its very great size, the length of the 

 winf^s bein"f double that of any other. Although the specimen is very 

 imperfect, the tip and lower half of the wings being absent, as well as 

 tlie head, prot borax, and legs, it differs so much from the species of 

 Parotermes, in the absence of the submarginal vein and the great 

 length of the abdominal appendages, that it cannot probably be 

 associated with them generically. In size and general appearance it 

 agrees so f.iirly with the tertiary species described by Heer, referred 

 to Hodotermes by Hagen, that I place the species provisionally in the 

 same genus, with which (as with all other genera so far as I know in 

 which the structure of the wings would allow it to be placed) it differs 

 by the great length of its anal appendages. 



Length of body as preserved, 9 mm. (probably it reached about 12); 

 of abdomen, G mm. ; breadth of same, 4.5 mm. ; length of forewing. 



