464 ME. W. F. KIEBY ON NEW OR RARE 



of tlie abdomen eacli with a moderately long spine on the sides. Abdominal spine 

 extending for nearly half its length beyond the operculum. 



Dimensions. 



Long, corporis 55 millim. 



,, capitis 4 „ 



„ pronoti .3'5 ,, 



„ mesonoti 19 „ 



„ metanoti, cum segmento mediauo .... 6 ,, 



„ segmenti mediani 3 „ 



„ femorum auticorum 15 „ 



„ „ medianorum 13 ,, 



„ „ posticorum 16 „ 



Hob. Thursday Island. Collected by the late Rev. R. Toy. Described from two 

 specimens, in one of which, which is slightly smaller than the type, the spines and 

 denti dilations are less strongly develojjed. 



Allied to P. doreyaniis, Bates, but this species has the legs unarmed, except slight 

 denticrdations at the ends of the femora beneath ; there is only one spine instead of two 

 at the back of the metathorax ; the mesothorax is more slender, and the first pair of 

 lateral spines is wanting, besides other differences. 



Bacunculin^. 



Several genera referred by Brunner de Wattenw^yl to his family BacteriidtB would be 

 more naturally placed here, such as Bacteria, Serv., and Phanocles, Stal, which seem to 

 be nearly allied to Calynda, St&l. In the place of Brunner's Bacteriidce, I propose to 

 institute a subfamily PaJophhue, to include large species, with winged males. 



Caulonia spinosissima, sp. n. (Plate XL. figs. 5, 5 a.) 



Female. Moderately stout, greenish brown, the sutures of the prothorax and the 

 median carina on the meso- and metathorax marked with a black line, which is expanded ' 

 on the front of each. Head greenish, short, vertical, face rather long ; a black median 

 line, on each side of which are three long spines and a longer and more oblique one out- 

 side the second. Antennse very long and slender. Prothorax bilobate, with two spines 

 on each lobe, the front spines separated by the median depression, but beyond the trans- 

 verse depression the two spines are central, with a groove running on each side beyond 

 them. Mesothorax with six longitvidinal rows of spines, of four each, but not placed 

 under each other ; a double central row separated by the median line ; a longer row 

 lower down, and a lateral row of short ones. Metathorax similarly armed, but the 

 central and lower spines nutnbering three each, and the intermediate row of large spines 

 two ; there are also tw^o central spines on the median segment, and two in front of the 

 hind coxpe. Second segment of the abdomen (reckoning the median sen^ment as the 

 first) with two spines at the base, two at the extremity, and one on each side below the 

 latter. Third segment w^ith the opines similarly arranged, but larger, and the terminal 

 central ones preceded by tw o small ones ; segments 4, 5, and 6 similarly armed at the 

 extremity only; but the spines, except those at tlie sides, become gradually smaller, and 



