Mr. C. Meresclikowsky on Caltfornian Diatoms. 517 



215. Isthmia nervosa, K lit z. Monterey, Santa Barbara, very 

 coninioii ; San i'cdro, very rare. [M.] 



21G. MelosiraBorreri, Grev. San Pedro, very common. [M.] 



217. Melosira Jiirgensii, A<;. San Pedro, rare. [M.] 



218. Melosira nuinniuloides (Bory), Ag. San Pedro, rare. 



[MJ. 



219. Melosira sol, Kiitz. {Cydotella radiata, Br. Dia- 

 tunieent. zus, f. ein. Fr. pi. xxix. fig. 11.) San Pedro, 

 common ; Monterey, somewliat rare. [M.] 



220. Podosira Febigerii, Grun. (Arct. Diat. p. 119). [G.] 



221. Podosira fusca, Mcr. San Pedro, rath-r rare. [.M.] 

 See my paper on the Diatoms of the Black Sea. 



222. Podosira maxima, var. californica, (xrun. (Arct. Diat. 



p. US). [(J.] 



223. Hyalodiscus subtilis, Bail. Northern California, very 

 common; San Pedro, not rare. [G , M.] 



224. Hyalodiscus subtilis, var. scotica (Kiitz.), Grun. San 

 Pedro, not very rare. [M.] 



225. Eupodiscus califoruicus, Grun. (V. Heurck, Synops. 

 pi. cxviii. fig. 8). Gulf of Galifornia. [V. H.] 



226. Aulacodiscus circmndatus, A. S. (A. S., Atlas, pi. xxxv. 

 fig. 5 ; WoUe, Am. Diat. pi. iviii. fig. 7). [A. S.] 



227. Aulacodiscus Kittonii. Arn. San Pedro, very common. 



[M.] 



228. Aulacodiscus oregonus, Grev. San Pedro and Northern 

 California, common. [V. PI., M.] 



229. Aulacodiscus orientalis, (xrev. San Pedro and Northern 

 California, very rare and somewhat doubtful. [M.] 



230. Auliscus sculptus, var. coelata, Bail. San Pedro, not 

 rare ; NortlR-rn California. [M.] 



231. Auliscus sculptus, var. punctulata, Mer. Northern 

 Calilornia, not very rare. [M.J 



See my paper "On Polynesian Diatoms," chapter iv. 



232. Actinoptychus heliopelta, Grun. San Pedro, rare. [M.J 



233. Actiuoptychus spleudens (Schadb.), Ralfs. San Pedro, 



not very rare. [M ] 



234. Actinoptychus undulatus, Elir. San Pedro, not rare 

 [M.] 



