252 Mr. T. V. Wollaston on Additions to Madeiran Coleoptera. 



whole are variable in size and development. The vesicles are 

 considerably larger than in P. cristata, and the ribs are toothed. 



When dry, this species, like P. cristata, becomes curved in a 

 falcate manner, and the pinnse are frequently laid to one side, 

 so that it assumes a good deal of the form of an ostrich plume, 

 in reference to which I have given it the above specific name. 



Bay of San Francisco. 



EXPLANATION OF THE PLATES. 

 Plate XL 

 Fig. L Sertularia tricuspidata, natural size: «, portion of same, mag- 

 nified. 

 Fig. 2. Sertularia labrata, uat. size : a, portion of same, magnified. 

 Fig. 3. Sertularia corniculata, nat. size : a, portion of same, magnified. 



Plate XIL 

 Fig. \. Plumularia gracilis, uat. size : aSib, portions of same, magnified. 

 Fig. 2. Plurmilaria struthionides, nat. size : a, portion of stem, magnified; 



b, vesicle, magnified ; c, portion of pinna, magnified ; c? & e, cells, 



more highly magnified. 



XXIX. — On Additions to the Madeiran Coleoptera. 



By T. Vernon Wollaston, M.A., F.L.S. 



[Continued from p. 222.] 



Fam. Colydiadse. 

 Genus Tarphius. 

 (Germar) Erichs., Nat. der Ins. Deutschl. iii. 256 (1848). 

 Tarplnus angusticollis, n. sp. 



T. subrotundato-ovatus, subnitidus, niger ; protborace angiisto, antice 

 et postice attenuate, angulis auticis valde acutis porrectis, granulis 

 crebris magnis obtusissimis obsito ; elytris rotundatis convexis 

 concoloribus profunde seriatim punctatis, interstitiis alternis leviter 

 elevatis interruptis, nodes distinctos (plus minus aureo-setosos) 

 efformantihus ; femeribus tibiisque nigrescenti-piceis, tarsis anten- 

 nisque picescenti-ferrugineis, barum capitulo sensim majuscule. 

 Long. cerp. lin. li— If- 



Habitat loces editieres sylvaticos Maderse, in regiene Fanalensi a 

 Dom. Bewickc eestate a.d. 1859 detectus. 



T. roundish-ovate, deejj-black, almost free from scales, and a 

 little shining. Head and prothorax beset with very close, large, 

 and exceedingly obtuse granules : the latter nearly unchanneled, 

 altogether narrow, but attennuated before and behind (the sides 

 being suddenly expanded about the middle), and with the ante- 

 rior angles even more acute and prominent than is the case in 



