ONISCOIDEA. 717 



2. Pedes posteriores valde elongaii. 



G. 5. Henopomus, Krbyer* — Pedes lmi subchelati, digito 2-articulato ; reliqui 

 ambulatorii, articulo 6to subrudimentario. Appendices branchiales lamind unicci 

 permagna tectse. Thoracis segmenta latere incisa et dentata. 



G. 6. Munna, Kroyer.\ — Appendices caudales rudimentariae. Pedes antici cras- 

 siores, subchelati. Pedes posteriores corpore multo longiores. 



Family ARMADILLID^. 



Subfamily TYLINiE. 



Tylfs spinulosus. 



Corpus antmnceque spinulosce, spinulis brevissimis et scepe subclavatis. 

 Caput processubus truncatis prominentibus sub oculis ornatum. An- 

 tennae fere ad segmentum tlioracis 2dum attingentes, articulo 2do antice 

 salienter angulato, flagello 3-articulato, articulo \mo parce breviore 

 quam articulus precedens, et duplo longiore quam sequens. 



Body and antennae spinulous, spinules very short and often subclavate. 

 Head below either eye having a prominent process which is trun- 

 cate at extremity. Antennae reaching barely to second segment of 

 thorax, second joint having a salient angle on anterior side near 

 base, flagellum three-jointed, the first joint but little shorter than 

 the preceding joint, and twice as long as the following. 



Plate 47, fig. 1 a, body, enlarged four diameters, the head thrown 

 outward ; b ? part of antenna, enlarged twenty-four diameters ; c, cau- 

 dal lamellae. 



Nassau Bay, Fuegia. 



* Ibid. [2], ii. 1847. Both this genus and Munna, are stated by Kroyer to be 

 related to Asellus and Jsera. 



t Nat. Tidsskr., ii. 1838, 1839, p. 612, and [2], ii. 1847. 



180 



