— 691 — 
809. P. JimîtJlîanain Caslrac.— Diat.Challenger\>/ô^,t^%J.^. 
Valvis lanceolalis, aculis, adwncis : rhaphe sigmoideo, ad cenlrurii 
oblique transverso, dein submarginali. 
Dimens. 105^20 ex icone. 
Hab. ad portum Thaiti. 
810. P. tSiai$ieai§»e Castrac. — Diat. p. 38, t. *28, f. 4. 
Valvis lanceolatis, gradatim ad apices acuto-rotundatos lerminanlibus 
et modice curvatis, raphe centrali ad apices intramarginali ; striis decus- 
satis vix perspicuis. 
Dimens. 145 ex icone. 
Hab. in portu Thaiti. 
iHaîts*ayelIa De-Toni. — Debya Rattray [1888]. A révision 
of the Genus Auliscus Ehrb. and of some allied genera in Journ, 
R. Micr. Soc. 1888, p. 909 nec Pantoc<ek [1887] Mar. Bacili. 
Ungarns p. 65 et in Notarisia lit, p. 533. — • Glyphodiscus sp. 
Grove et Sturt in J. Q. M. Cl. 1887, p. 10, Grun. in Schm. AU. 
tab. CXXV. — Eupodiscus sp. Grun. in Bot. Centralblatt Band 
XXXI, n. 5, 1887, p. 133; Schm. AU. tab. 80. 
Valvae circulares ; superficies in parte centrali plana, ad mar- 
gines distinctes declinans ; color [lallidus, fumoso-griseus ; granuli mi- 
nuti punctulati secus lineas radiantes dispositi, reticolo subinde extan- 
te ; processus parvi, 3-15, rotondati vel elliptici ; apicula 1-2 parva 
inter paria processuum contigua. 
811. Bt. (Grun.) De-Toni. — Eupodiscus oama^ 
ruensis Grun. in Bot. Gentr. 1887, XXXI, 5, p. 133. — Glypho- 
discus scintillans Grove et Sturt in J. Q. M. Gl. 1887, p. 10. — 
Eupodiscus simbirskìanus Grun. in Bot. Gentr. 1887, p. 135. — 
Glyphodiscus? simbirskianus Grun. in Schm. Atl. pi. 125, f. 18 
a-c, 19. — Glyphodiscus? oamaruensis Grun. in A. Schm. Atl. 
pi. 125, f. 20, 60-95 p diam. metiens ; processibus distinctis, 
35 p latis. 
Hab. in deposito Sysran, Simbirsk Rossiae (Deby) et in deposito 
Oamaru Novae Zelandiae {Grove, Ilardmann). 
812. StSiaplioil©!» elìi|)tiea Gastrac. — Diat. Challenger 
p 49, t. 26, f. 13. 
Parva, elliptica, duplo longior quam lata, costis crebriusculis, radian- 
tibus, area lineari lanceolata medio interruptis. 
Dimens. 50 28 p ex icone. 
Hab. in mari Japonico. 
