18 CATALOGUE OF 



doi-salia ventrem late includentia ; lamina subanalis subtiuncata, suliincisa. 

 Cerci longi-conici. Pedes breves, robusti ; tarsi breves ; arolia iiiinima. 



Female. Body elliptical, dull, tuberculate, slightly convex, with a 

 broad inembninous border, smooth and shining beneath. Head small ; 

 disk slijilitlv impressed; a transverse rid^re near the nmulh. Eyes wide 

 apart, slijjhtly excavated. First joint of the palpi more than twice the 

 lenffth of the second, which is suliulavate; third nearly linear, much lonii:er 

 than the second. L^ibial palpi short. Antennae slender, setaceous, suh- 

 moniliform, selulose, less than half the length of the body. Prothora.x a 

 little more than twice broader than long, extending much beyond the head, 

 slightly impressed on each side in the disk near the fore border, where it is 

 rounded, as it is also on each side; hind border slightly rounded in the 

 middle. Mesothorax and mctathorax extending very much beyond the 

 pectus, with their hind angles acute and slightly elongated. Doisitl 

 abdominal segments extending much beyond tlie ventral segments ; hind 

 angles of the membranous part ehnigated, acute ; first and second segments 

 obliquely hidden on each side by the metathorax ; subanal lamina slightly 

 truncate, slightly notched in the middle. Cerci elongate-conical. Legs 

 short, stout; tibiae with short spines; tarsi short; first joint a little longer 

 than the fifth; second, third and fourth very short ; ungues small ; arolia 

 rudimentary. 



Type of the genus L. oniscoides, 



1. Laxta oniscoides. 



Fflem. Plcra, 7iigro tuberculala, suhlus lulea, margine fnlhtceo ferruginen 

 subltis testuceo ; abdomen maculis ferriigineis quadriviltalum ; venter 

 gutlis nigricanlibus bivittalus, segmenti apicalis disco rufescenle. 



Female. Piceous, luteous beneath; membranous part ferruginous, 

 testaceous beneath; tubercles black. Eyes black. Palpi and antennae 

 testaceous. Abdomen with two rows of ferruginous spots on each side; 

 ventral segments with two rows of blackish dots; apical ventral segment 

 dark reddish in the middle. Tibiae with black spines. Length of the body 

 7i— 10^ lines. 



a. Australia. From Mr. D.imel's collection. 



b, ? From Mr. Children's collection. 



2. Laxta chitonoides. 



Foem. Sordide testacea, ovata, opaca, subconvexa, sublus pallide teslacea; 

 caput nigrum, apud on testaceum ; thorax et abdomen vittis duabus 

 subarcualis niyricanlibus, villa intermedia punctiilari viltisque duabus 

 exterioribus angulosis nigris ; venter gntlis nigricantibus bivittalus ; 

 lamina subanalis bilobala ; cerci nigri, fere erecli. 



Female, Dingy testaceous, oval, dull, slightly convex, pale testaceous 

 aiid shining beneath. Head black, testaceous about the mouth. Eyes 

 testaceous. Antennae black. Thorax and abdomen with two blackish 

 stripes, which converge towards each other in front and behind ; an inter- 

 mediate row of black points and two exterior zigzag black lines; under 



