io 4 



TUFTS COLLEGE STUDIES, VOL. IV, No. 7 



Reinschii, 58, 69. 

 rufescens. 



v. exiguutn. 62. 

 rugulosum, 71. 

 tentoriale, 68. 

 tyrolicuin, 65. 

 u minimum. +. 



v. americanutn, 64. 



f. senegalensc. 64. 

 Vaucherii, 65. 

 Oocystis, 31. 

 ciliata, 33. 

 elliptica, 32. 



v. minor, 32. 

 gloeocystiforuiis, 32. 

 nodulosa, 31. 

 novae semliae. 



v. maxima, 31. 

 panduriforuiis. 32. 



v. minor, 31. 

 parva, 31. 

 rupestris, 32. 

 Ophiocytium, 3. 

 bicuspidatuDi, 3. 

 capitatum. 



v. longispinuui, 3. 

 tnajus. 



r. bicuspidalum, 3. 

 truncatum, 3. 

 Pal modacty lun, 25. 

 Palnipdictyon, 25. 

 varium. 25. 

 viride, 25. 

 Pediastrutn, 52. 

 araneosum, 54. 



v. rugulosum, 54. 

 Boryanutn. 



v. longicornr, S3. 



r. rugulosum, 54. 

 duplex. 



v. asperum, S3. 



v. cornutam, S3- 



v. gracilliniutn 54 



v. reticulatum 54. 

 glandulifemm, 54 

 integrum, 54 

 Kawraytkii. 54 

 calptatam. 54. 

 Penlcillns. 

 dametotnt. 



f. expaniiuft. 90. 

 pyriformi*. 



f. explanatUK. 90 

 Peroniella, 6. 

 Hyalothccae. 6. 

 planctonicA. 6. 

 PhaeophiU, 7V 



floridearum, 73. 

 Phytelios. 



oval is, 35. 

 Phytomorula, 50. 



regularis, 51. 

 Polyedriof>sis. 



spinulosa, 38. 

 Polyedriuin. 



hastatntn. 



v. palatinunt, 40. 



hbulatum, 39. 



protfiforme, 39. 



tetraedricu tn . 

 v. hast a turn, 40. 

 v. tor sum, 38. 



trigonum. 



v. seiigerutn, 37. 

 Porphyra. 



perforata, 26. 

 Prasiola. 



borealis, 57. 



stipitata, 57. 

 Pringsheimia, 73. 



Udotae, 73. 

 Pyramitnonas, 22. 



tetrarhynchus, 22. 

 Quadrigula, 30. 



closterioides, 30. 

 Radiofilum, 56. 



conjunctivutn. 56. 



flavescens, 56. 



irrcgulare. 56 



nioniliferuin, 56. 

 Raphidimn. 



ftraunii. 

 /. lacustris, 29 



Chodati, 29. 



Pfitzeri, 30. 

 Retnschiella. 



obesa, 38. 



longispina, 3. 

 Rhipilia, 91. 



tomentosa, 91. 

 f. zonata, 91. 

 Rhizoclonium. 



craiilpellitum. 8u. 

 Richter \ella. 



botryoides, 34 



quadristta, 34. 

 Rivularia. 



Bornetiana, 27. 

 Scenedeamuft. 41. 



abundan*, 45. 



v. hrcvicauda, 4$. 

 v. longicauda. 45. 

 v. tpicatun, 45. 

 v. asymmetrical, 



