some Recent Publications concerning Diatoms. 37 



wliich would all have been corrected had I received the proofs. 

 The most important arc the following : — 



Instead of Read 



Dipl(meissuborbiczilaris,GYeg.(p.6). Diploncis papula, A. S. ? 



Caloneisformosa, var. quadrilineata, Caloneis liber, var. excentrica, Grun 



Gr. (p. 6)._ 



NaiHcula {Libellus) species prima Libellu^ reticulatus, Mer. 



(p. 14). 



L'exactitude de la figure (p. 15, L'exactitude de la figure 22 b. 



line 11 from top). 



N. 33. ^'«vjci</a species? (p. 1-5). Neidium affine, var. amphirhyn- 



chus (Ehr.). 



Ainphipleura7nica7is,\jyi\gh.{i^.\7). Navicula {Dickieia) oblita, Mer. 



Pleurosicpna elongatinn, W. Sm, Pleurosiyvia delicatulum, W. Sm 



(p. 20). 



Amphora acutiuscula, var. subcon- Amphora angular is, Gre"-. 



.s^-Wcfa, Gr. ? (p. 26). " 



Amphora annularis, Greg. (p. 26). Amphora alata, var. delta, Karst. 



Amphora Arms, Greg. ? (p. 26). Amphora coinposita, Jan. 



Ajiiphora lineolata, Elir. ? (p. 27). Amphora species ? 



Amphora ocellata, Douk. (p. 28). A. quadramjulata, Mer. 



Nilzschia Acus, 01. (p. 3.5). Nitzschia seriata, CI. 



Nitzschiella tenuirostris, var. genu- Nitzschiella tenuirostris, var. hamu- 



ina, Mer. (p, 37). lifera, Mer. 



3. Oeiden-Rostock. " Diatomeen des Conventer Sees bei 

 Doberan." Mitth. a. d. Meckb. Geol. Landesanstalt, 

 X. num. 21. Rostock, 1900. 4to. 



Ampliora Geinitzi (fig. }) = A.arenicola, Grun., vav. major, 

 CI. 8yn. Nav. D. 



Mastogloia stauroneiformis, sp. n. (fig. 5) = M. Smithii^vsiV. 

 lacustrisj Grun. 



Mastogloia varieloculata, sp. n. (fig. 7) : agrees with 

 M. Braunii, Grun., but the strijE are stated to be 32 in 

 O'Ol mm. (perhaps a misprint for 23). 



Navicula alluviana, sp. n. (fig. S) = Pinnularia rectangu- 

 lata, Greg. ? 



Navicula conventus, sp. n. (fig. d) = N. directa, var. subtilis, 

 Greg, (in CI. Syn. Navic. Diat. ii. p. 27, the length is given 

 as 0"012 instead of 0"12 mm.). 



Cocconeis lanceolata, sp. n. (fig. 17) = C quarnerensis, 

 Grun. 



Nitzschia variepunctata, sp. n. (fig. 22) = i\^. navieularis 

 (Brcb.), Grun. P. T. C. 



