~ 
294 Mr. O. Thomas on the Echimyine. 
Nilautama tricornis. 
Nilautama tricornis, Melich. Notes Leyd. Mus. xxxvi. p. 114, pl. ni 
fig. 8 (1914). ; 
Hab. Java (Jacobson). Siamese Malay States; Patani 
(Annandale 5; Robinson). 
Nilautama? cicadiformis. 
Centrotus cicadiformis, Walk. Journ, Linn. Soc. Lond., Zool. i. p. 164 
(1857). 
Hab. Borneo. 
In describing this terribly mutilated specimen Walker 
writes :— Lateral horns of the thorax almost obsolete’; no 
hind horn.”? The lateral pronotal processes are clearly 
broken off near their bases, and are not, therefore, ‘ obso- 
lete’”’?; the posterior process has clearly been broken off 
at its base by the action of the inserted entomological pin. 
It has the appearance of a Nilautama, but the venation of 
the tegmina is a little more reticulate near the apical areas. . 
Terentius rolandi. 
Terentius rolandi, Dist. Ann. & Mag. Nat. Hist. (8) xvi. p. 492 (1915). 
I described this species from a specimen collected by 
Mr. R. E. Turner in N. Queensland. Mr. Froggatt, of 
Sydney, has now sent me another specimen collected in New 
Guinea, Binituri River (Murray). 
XX XITI.—Some Notes on the Echimyine. 
By OLpFIeELp THOMAS. 
(Published by permission of the Trustees of the British Museum., 
IN a recent paper * Mr. Goldman has drawn attention to the 
advisability of separating what he terms “ Phyllomys,? the 
spiny rats with simple laminated upper molars, from ‘“ Zon- 
cheres,” those with more complex teeth, and in the advantage 
of this separation I entirely agree. The names of the two 
genera are not, however, as Mr. Goldman has put them, but 
respectively Nelomys and Echimys, for reasons which have 
been already explained fT. 
* P. Biol. Soc. Wash. xxix. p. 125 (1916). 
t Ann. & Mag, Nat. Hist. ser. 8, vol. xviii. p. 240. 
