KINOSTERNON SCORPIGIDES. 
fusca. Testa fusco-badia, oblonga, convexa, tricarinata, a carinis ad marginem 
medio rotundata, postice subplane declivis : margine fere integro. Scuta dorsalia 
subsulcata, et radiafim striata, areolis ad angulos posticos positis, punctatis: verte¬ 
bralia omnia subimbricata, elongata, canaliculata, medio acute carinata ; primum 
triangulare, postice truncatum; secundum et tertium elongato-hexagona ; quartum 
hexagonum, sinuose marginatum, alatum; quintum quadrilaterum, antice angustatum, 
postice latum, margine postico rotundato: costalia convexa, supra acute carinata, 
areolis posticis ; primum trigono-trapezoideum, margine inferiore rotundato ; secun¬ 
dum et tertium rectangula, convexa; quartum pentagonum, irregulare, subgibbosum : 
marginalia viginti tria, quadrilatera; anteriora subhorizontalia ; lateralia verticalia ; 
posteriora latiora, declivia. Scutum nuchale breve, quadratum. Sternum fulvo-badium 
vel flavicans, oblongum, antice rotundatum, marginem interiorem testae fere adaequans } 
postice subacutum, angustatum, subemarginatum, a testae margine paululo distans; 
lobi anterior et posterior membrana articulati, mobiles; medius solidus, fixus, 
scutis abdominalibus tectus. Scuta sterni undecim, subdecussato-striata; Mulare impar, 
cordatum, margine sinuato; humeralia quadrilatera, trapezoidea; pectoralia quadrila¬ 
tera, intus attenuata; abdominalia magna, subquadrata, rectangula ; femoralia elon¬ 
gata, postice acuminata ; analia trigona, antice acuminata; axillaria et inguinalia 
longa, angusta, sternum a dorso omnino separantia. 
Testee osseae mensura. 
unc. lin. 
Longitudo dorsi.6 0 
Latitudo ejusdem.4 7 
Longitudo sterni .5 2 
Altitudo.2 2 
This species, not only the most elegant of the genus, hut one of the most 
so of the whole order, was first made known by Linnaeus, under the specific 
name which it still retains. The specific character which he has assigned to 
it—“ fronte callo trilobo”—is one which I have reason to believe was a purely 
accidental circumstance in the specimen described by him; as in the living one 
which I had in my possession, and from which the present figures are taken, 
there was no appearance of any such appendage, nor is it either represented 
