Mr. R. Shelford's Studies of the Blattidae. 291 



Torres Straits (British Miis.); New South Wales, 

 Sydney (Oxford Mus.). 



2. C. melanesiac, sp. n. 



(^ Above castaneoiis, nitid, imiiunctate. Head, legs and antennae 

 bright testaceous. A broad castaneons stripe down the middle of 

 the face. Tibial spines castaneons. Posterior borders of thoracic 

 tergites slightly produced in the middle. Posterior angles of 

 abdominal tergites moderately produced. Supra-anal lamina tri- 

 gonal, margins entire, apex truncate, fimbriate, scarcely emarginate, 

 considerably exceeded by the cerci. Sub-genital lamina sub- 

 quadrate, styles moderate, a well-marked spine at the base of each. 

 Posterior metatarsus exceeding the succeeding joints in length. 



Length 19 mm. ; pronotum 6 mm. x 8 mm. 



Torres Straits (British Mas., type). 



Readily distinguished by the bright testaceous legs. 



3. G. triangulata, Br. 



Polyzosteria triangulata, Brunner von Wattenwyl, Ann. 



Mus. Civ. Geneva, ser. 2a, xiii, p. 33 (1893). 

 Lc2^tozostcHa sccunda, Tepper, Tr. R. See. S. Australia, 



xviii, p. 183 (1894). 

 Polyzosteria triangulata, Krauss, Denkschr. med.- 



nat. Ges. Jena, viii, p. 750, PI. LXVII, fig. 1 (1903). 



Stal in 1877 quotes this species as belonging to the 

 genus Cutilia but gives no description of it. Brunner in 

 a footnote (/. c.) alludes to the species but does not give 

 a detailed diagnosis of it ; if his remarks on the species 

 beginning — "le metatarse un pen plus long que les 

 autres articles reunis," etc. etc., are reckoned as a 

 diagnosis then the name triangulata can stand, but if not 

 then this name must be replaced by secunda, Tepp. This 

 is a matter for priority-cranks to wrangle over, but it is 

 not of the least importance. As Krauss gives a good 

 description and figure of the species under the name 

 triangulata and as this name is more appropriate than 

 secuThda I have no hesitation in adopting it. 



Queensland, Rockhampton (Vienna Mus., type), 

 Bowen {Godcffroy) (Stockiiolm Mus.), Cooktown (Adelaide 

 Mus., type of secunda). Endeavour river (Oxford Mus.); 

 Thursday Is. (Jena University Mus.). 



U 2 



