xxi AMMOTHEIDAE - RHYNCHOTHORACIDAE 535 



transverse ridges on the body, a large proboscis, a 9 -jointed 

 palp, and somewhat peculiar ovigerous legs. Cilunc/////*, 

 Fragilia, and Scipiolus are new genera more or less allied to 

 Leionymplion, described by Lomaii (1908) from the Siboga 

 Expedition. 1 Tuni/stylum, Miers (1879) (including Clolmm, 

 Dohrn (1881), and Discoarachne, Hoek (1880)), has append- 

 age I. reduced to a single joint or a small tubercle, and 

 appendage II. 4-6-jointed ; world-wide ; about eight species. 

 Austrodecus glacialis and Austroraptus polaris are two allied 

 Antarctic species, described by Hodgson (1907), the former a 

 curious little form with a pointed, weevil-like proboscis, no 

 chelophores, and 6-jointed palp. Trygaens communis, Dohrn 

 (1881), from Naples, has a 7-jointed, and Oorhynchus a /></,- 

 lundiae, Hoek (1881), a 9-jointed palp; the former has only 

 seven joints in the ovigerous leg. Lecyftiorhynchvbs rin<ihi*. 

 Bohm (1879), with rudimentary 2-jointed chelophores, and /,. 

 (Cornigi-r} ktlrjc.ndorfi, Bohm, with small tubercles in their place, 

 both from Japan, have also 9-jointed palps: the former, at least, 

 is apparently an Ammotliea. Several insufficiently described 

 genera, Phanodemus, Costa (1836), Platychelus, Costa (1861), 

 Oiceobathes, Hesse (1867), and Bulimia, Hoek (1880), seem to 

 be referable to this group; all have chelate mandibles, ;,nd may 

 possibly be based on immature forms. 



Goodsir's Pasitlioe vesiculosa z is, in my opinion, undoubtedly 

 Aiiiiinitlti'a hispida, Hodge, and so also, I believe, is bis /'r/iln-fdo 

 hirsuta; P. n inlnnnifn. Could 3 (Long Island Sound), is, \\ith as 

 little doubt, Tanystylum orlnciilare, Wilson. 



Fam. 5. Rhynchothoracidae. - -The animal identified by 

 hulini as Rhynchothorax mediterraneus, Costa (1861), is a 

 minute and very remarkable form, without chelophores, will) 

 large 8 -jointed palps, reduced by fusion to !i\<' joints, and 

 K) -jointed, clawed ovigerous legs, which last are provided on 

 the last five joints with peculiar toothed tubercles. The general 

 aspect of the body is somewhat like that of an . \ in niofliru, 

 which genus it resembles in the ventral insertion of the ovigerous 

 legs and the somewhat imperfect segmentation of the body. It 



1 Loman conjoins all these ^IHTM, MHC| ;i]>n /.-/////n/7/ //.// //.>. \\itli .Vi 

 ,-is a sub-family Nyni|'li(i]isiiiac of Aiiinmtliciil;ir. 



- /;</ in/>. New 1'liil. Journal, Oct. isi-j, p. :;ii7 (P. capillata on 1'1,-itr . 

 :! I'roc. Boston Nat. ///.-/. Society, \-\. (., isil-ll. p. 92. 



