Undescrihed Cossonidm. 201 



Habitat Novam Zealandiam, a Dom. Sharp ad descri- 

 bendum benigne communicatus. 



In hoiiorem Dom. Broun, scienti?e naturalis in Nova 

 Zealandia investigatoris, banc speciera inter Cossonidas 

 valde distinctam nuncupavi. 



GENUS TYCHIODES. 



Wollaston, Trans. Ent. Soc, Lond., 16 (1873). 



Tijcliiodes Jansoni, n. sp. 



S. elliptico-oblongus, depressus, nitidus, piceo-niger : 

 capite parvo, inter oculos parce punctato et ibidem minute 

 foveolato ; rostro elongate, gracillimo, parallelo, cylindrico, 

 politissimo, fere impunctato (punctulis minutis sohim 

 parce irrorato) ; prothorace transverse, subrotundato- 

 triangulari, parce sed distincte punctato, sequali (aut 

 postice in medio obsolete transversim impresso) ; elytris 

 parallelo-oblongis basi recte truncatis, grosse punctato- 

 (aut fere crenato-) sulcatis, interstitiis postice et versus 

 latera convexis ac parce minutissimeque subseriatim 

 punctulatis ; antennis (gracilil)us, longe pone medium 

 rostri insertis) tarsisque clare rufo-ferrugineis, femoribus 

 tibiisque robustis rufo-piceis. Subtus parce et sat minute 

 punctulatus. 



Long. Corp. lin. 2. 



Habitat ins. Philippine, a Dom. E. W. Janson com- 

 municatus, cujus in honorem nomen triviale dedi. 



Ols. — ^Species T. Adamsi, insularum Japonicarum, valde 

 affinis ; sed differt corpore paululum majore, depressiore, 

 vix niagis parallelo, et conspicue obscuriore (sc. fere nigro) ; 

 rostro vix longiore, ac sensim minute punctulato (nee 

 omnino esculpturato) ; prothorace fere eequali, solum 

 postice in medio obsolete transversim impresso ; scutel- 

 loque submajore et magis pentagono. 



Three examples of a Pentarthrid, which have been com- 

 municated to me by Mr. Janson as having come from the 

 Philippine Archipelago, are most intimately related to the 

 Tychiodes Adamsi — detected by Dr. A. Adams on the 

 island of Awasima (off the north-west coast of Nipon) in 

 tlie Japanese Group. Nevertheless, although belonging 

 undoubtedly to the same type, I feel sure that it is distinct 



