— 147 
104. Anlt^cun» StellatHS H. Smith. — in Walker et 
Ghane, Notes on some neiu and rare Diatoms, p. 4, pl. II, 4. 
A. parvus, rhombico -ovatus; iimbilico minuto, circulari, laevi, radiis 
e centro in 4 directiones dispositis, oculis magnis, medio compressis ; 
superficie valvae.... 
Dim. 125 ^ 75 ju. 
Hab. insuja « Iquique » Amer, merid. 
105. Biddulpliia ereaulata Walker. — in Walker 
et Chase, Notes on some new and rare Diatoms, p. 2. pl. II, 7. 
B. magna, circularis, margine crenato striatove, 4-8 proeminentiis 
semicircularibus instructo ; superficie omnino punctulata punctis in lineas 
radiantes ordinatis. 
Diam. valv. 100 y.. 
Hab. in mari pacifico (Challenger n. 237). 
106. Biddulpliia inaperialis Walker. — in Walker 
et Chase, Notes on some new and rare Diatams, p. 1, pl. I, 1. 
B. magna, 10 - angolata, angulis acutis, processo corni ad instar 
instructis; angulis inter se cire. 50 distantibus; lateribus con- 
cavis; valvis superficie in duas partes divisa, altera centrali, majori, 
areolis hexagonis hornata ; altera peripherica, minori, areolis irregula- 
ribus praedita ; superficie omnino punctata, punctis in [sériés radiantes 
ordinatis. 
Diam. valv. 190 /z. 
Gab « Sandwich Islands » Oceaniae. 
107. Podoi»ira Arguas var. pacifica Chase. — in 
Walker et Chase, Notes on some new and rare Diatoms, p. 5, pl. I. 5. 
P. magna, superficie omnino sublililer striata; striis e centro ra- 
diantibus ; margine ampio et asperiter striato ; granulis circularibus 
18-30, in 2-3 orbes irregulares dispositis. 
Diam. valv. 95 [x. 
Hab. in mare pacifico. 
108. ^liCtodis»CU!S C^cevilleauus» Walker.-— m Wal- 
ker et Chase, Notes on some new and rare Diatoms, p. 5, pl. I, 4. 
S. magnus, leniter triangularis, lateribus valde convexis; angulis 
inter se 120 y. distantibus; superficie omnino granulata granulis irregu- 
lariter in parte interiori dispositis, in exteriori (tertia superf. valvae), 
exacte radiantibus. 
109. Trieeratiiim Febigeri Walker. — in Walker et 
Chase, Notes on some new and rare Diatoms, p. 5, pl. II, 6. 
