178 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



Plate 13 



Page 



Fig. 1. Chrysanthcmodiscus floriatus, new species. X450 58 



2. Cocconeis circulifera, new species. X1350 60 



3. Cocconeis citronella, new name. X820 61 



4. Cocconeis citronella, new name. X 820 61 



5. Cocconeis citronella, new name. X820 61 



6. Cocconeis citronella, new name. X820 61 



Plate 14 



Page 



Fig. 1. Cocconeis ocellata, new species. X590 63 



2. Cocconeis os-prislis, new species. XI 150 63 



3. Coscinodiscus ciliat us, new species. X780 65 



4. Coscinodiscus nano-lineatus new species. X1070 68 



5. Coscinodiscus scitulus, new species. X900 70 



6. Cyclotella crassilineala, new species. X900 71 



Plate 15 



Page 



Fig. 1. Cymatoneis definita, new species. X68Q 72 



2. Cymatoneis lacunata, new species. X820 72 



3. Cymatoneis sufflata, new species. X820 72 



4. Dimeregramma bilineatum (Cleve and Grunow) Mann. X900 73 



5. Dimeregramma fltiens, new species. X580 73 



6. Dimeregramma opu lens, new species. X590 74 



7. Dimeregramma opulens, new species. X850 74 



8. Dimeregramma prismaticum, new species. XS20 74 



9. Endictya margaritifera, new species. X380 75 



10. Endictya margaritifera, new species. X380 75 



Plate 16 



Page 



Fig. 1. Echinodiscus vermiculatus , new species. X460 75 



2. Glyphodesmis acus, new species. X850 78 



3. Glyphodesmis acus, new species. X850 78 



4. Grammatophora fundata, new species. X510 78 



5. Grammatophora fundata, new species. X510 78 



6. Grammatophora probata, new species. X600 79 



7. Grammatophora probata, new species. X600 79 



Plate 17 



Page 



Fig. 1. Henshawia biddulphioides, new species. X450 81 



2. Henshawia biddulphioides, new species. X500 81 



3. Hyalodiscus aspersus, new species. X670 83 



4. Hyalodiscus aspersus, new species. X670 ^ 83 



5. Hyalodiscus aspersus, new species. X1340 83 



Plate 18 



Page 



Fig. 1. Hercotheca inermis, new species. X800 82 



2. Hercotheca inermis, new species. X800 82 



3. Hyalodiscus annulus, new species. X970 83 



4. Hyalodiscus hirtus, new species. X830 84 



5. Hyalodiscus propeplanus, new species. X300 84 



6. Licmophora debyi (Leuduger-Fortmorel) Mann. X580 86 



7. Mastogloia achnanthioides, new species. X550 87 



