66 ME. S. J. A. SALTER ON THE 



2. Agathis striata. A. flavo-rufa, antermis nigris, abdomine ni- 

 tido, longitudinaliter striato ; alis flavo-hyalinis, dimidio apicali fusco. 



Female. Length 7 lines. Reddish yellow; the head triangular; the 

 face pale ; the antennae black, with the scape yellow ; the basal 

 joints of the flagellum obscurely fulvous beneath ; thorax smooth 

 and shining ; the basal half of the wings yellow hyaline, the apical 

 half dark brown, with a minute hyaline spot below the stigma in the 

 middle of the wing. Abdomen : the three basal segments and the 

 base of the fourth evenly striated longitudinally. 



Hab. Gilolo. 



G-en. Cenocnelitjs, Holiday. 



1. Cenoccelius cephalotes, Smith, Proc. Linn. Soc. v. 65. 1. 

 Sab, Gilolo ; Celebes. 



Earn. TENTHREDINIDtE, Leach. 



Gen. Cladomacra, Smith. 



1. Cladomacra macropus, Smith, Ann. fyMag. Nat. Hist. 1860, vi. 257- 

 Hab. Celebes (Tondano). 



ERRATA. 



Several changes in the numbering of the objects that illustrate this paper 

 having been made since the first sheet was printed, the following corrections of 

 the references must be attended to. The numbers refer to figures of the scale 

 of the abdomen of the different species.. 



Figs. 6 and 7, Polyrhachis Orsyllus. Fig. 21, P. Rippomanes. 



Figs. 12 and 12a, P. Diaphantus. Fig. 23, P. Lycidas. 



Figs. 15 and 20, P. Mutilue. Fig. 24, P. Eurytus. 



Fig. 16, P. exasperatus. Fig. 25, P. Numeria. 



On the Cranial Characters of the Snake-Rat, new to the British 

 Fauna. By S. James A. Salter, M.B., F.L.S., F.G.S. 



[Read April 7th, 1859.] 



The Society will doubtless recollect that last year* I exhibited at 

 one of our meetings two living rats, one of which I believed to 

 be new to the British Fauna —at least, new so far as that till then 

 it had been unrecognized and undeserved as distinct. The other 

 wa s a specimen of the old English Black B-at (Mus ratlus) ; and 

 this was shown, not on its own account, but for contrast and com- 

 pari on. And 1 selected the Black Rat for this comparison because 

 it so much more closely resembles the new one than does the 



* May 6th, 1858. 



