182 Prof. J. C. Schjodte on the Classification of Ceiambyces, 



excurvatis, suturis parum distinctis ; testa adolescente costis ?a.di- 

 antibus circ. x., subobsoletis, elongatis, arcuatis, sinum versus in- 

 terrupts, postice nodosis ; anfr. ult. sculptura nulla ; apertura 

 elongata ; canali brevi, aperto ; columella recta ; labio tenui ; 

 labro acuto, suturam versus sinuato, sinu parvo, expanso ; operculo 

 normali. Long. PI, long. spir. -65, lat. '36, div. 27°. 



Hah. Sta. Barbara (Jewett) ; S. Pedro (Cooper). 



386. Mitromorpha filosa. 



M. testa parva, solidiore, atro-purpurea, subconiformi, antice et pos- 

 tice subsequaliter tereti ; anfr. nucl. ii., albis, lsevibus, apice 

 mamillato ; norm, iv., planatis, suturis haud distinctis ; omnino 

 aequaliter spiraliter lirulata ; lirulis acutioribus, in spira iv., anfr. 

 ult. circ. xx., interstitiis majoribus ; apertura lineata ; labro parum 

 inflexo, rotundato, postice vix sinuato, intus circ. xii.-dentato ; 

 labio inconspicuo ; columella arcuatim truncata. Long. "26, 

 long. spir. "1, lat. '12, div. 45°. 



Hah. Sta. Barbara (Jewett) ; Lower California (teste Trick, in 

 Mus. Cuming.). 



— IDaphnella filosa, Brit. Assoc. Rep. 1863, p. 658, notef. 



Mr. A. Adams obtained two similar species from Japan; and 

 as the shells do not rank satisfactorily under any established 

 group, he proposes the above genus for their reception. M. Crosse 

 suggests that Columbella dormitor, Sby., may be congeneric. 

 [To be continued.] 



XXII. — On the Classification of Cerambyces, with particular 

 regard to the Danish Fauna*. By Professor J. C. Schjodte. 



I. 



It has perhaps not been observed hitherto that the terms Digiti- 

 grada, Unguligrada, and Plantigrada fully apply to the Arthro- 

 poda, or that the manner in which the animals tread the ground 

 and the corresponding structure of their feet deserve special 

 attention as distinctive characters of classes and orders in this 

 series of the animal kingdom ; yet it is so. All Arachnida are 

 Digitigrada. All Crustacea (including the Myriapoda, which 

 merely exhibit the Crustacean type modified for terrestrial life) are 

 Unguligrada; and the same is the case with all larva? of Insects 

 with complete metamorphosis, and with some of the lower groups 

 of Insects, especially Thysanoura and Siphunculata — the unguli- 

 grade Ai'thropoda being at the same time, with few exceptions, 



* Translated from the ' Naturhistorisk Tidsskrift,' ser. 3. vol. ii. p. 483. 

 Copenhagen, 1864. The original is accompanied with an engraved plate 

 containing details of the organs of the mouth. 



