98 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



NAVICULA CARINIFERA Grunow 



(Schmdit, Atlas, pi. 2, figs. 1-2; pi. 70, fig. 42.) 



This is another species common to both Campeche Bay and the 

 Philippine Islands. No other localities are recorded except Jamaica 

 Island by Kitton. 



NAVICULA CASTRACANEI Grunow 



(Cleve, New and Little Known Diat., p. 12, pi. 3, fig. 33.) 



NAVICULA CHERSONENSIS Grunow 



(Schmidt, Atlas, pi. 69, fig. 21.) 



Another species common to both Campeche Bay and the Philippine 

 Islands. The curved vertical lines, formed by separation of the 

 beading, should distinguish it from N. splendida Gregory. 



NAVICULA CIRCUMSECTA Grunow 



(Cleve and Grunow, Arct. Diat., p. 42; Schmidt, Atlas, pi. 3, figs. 26-27, 

 misnamed.) 



This Schmidt wrongly identifies as a variety of N. polysticta Greville, 

 quite a different tiling, as is seen by comparing with that diatom in 

 Greville's paper on Naviculae in California Guano, plate 4, figure 2- 

 Fricke's index attempts to correct this by making it a variety of N. 

 hennedyi W. Smith, which it certainly is not. It is near to the ques- 

 tionable variety of N. calif ornica shown in Schmidt's Atlas, plate 3, 

 figure 6 ; but Grunow's new specific name for it is the best arrangement. 



NAVICULA CLAVATA Gregory 



(Micro. Journ., 1856, pi. 5, fig. 17; Donkin, Brit. Diat., pi. 2, fig. 8; Schmidt, 

 Atlas, pi. 70, fig. 50.) 



The reducing of this well-marked diatom to a variety of N. hen- 

 nedyi, suggested by Van Heurck and carried into effect by De Toni 

 (Syl. Alg., p. 104) has nothing to commend it. 



NAVICULA CLEPSYDRA Donkin 



(Donkin, Brit. Diat., p. 63, pi. 10, fig. 2; Schmidt, Atlas, pi. 48, figs. 38-39; 

 H. L. Smith, Types, No. 257.) 



NAVICULA COARCTATA Ehrenberg 



(Ber., 1842, p. 265; Schmidt, Atlas, pi. 11, figs. 30-32; pi. 69, fig. 11.) 



This species is well illustrated by Schmidt ; but it is doubtful if it 

 can be proven to be what Ehrenberg so names. It is another one of 

 the species peculiar to both Campeche Bay and the Philippine, 

 Islands. 



NAVICULA CONSORS A.Schmidt 



(Schmidt, Atlas, pi. 48, figs. 24-27.) 



