io6 TUFTS COLLKGE STUDIES, VOL. IV, No. 7 



submaxima, 14. 

 lenuissima, 13. 



v. rugosa, 13. 

 rarians. 



v. minor, 12. 



v. acrobiculata, 12. 

 velata, 14. 



T. occidentalis, 14. 

 Spondylomoram. 22. 



quaternarium, 22. 

 Stau rocarpus. 



jrracillimus, 21. 

 Staurogenia. 

 apiculata, 52. 

 1 1- u data, 48. 

 crucifera, 48. 

 Lauterborni, 48 

 rectangularis, 48. 

 tetrapedia. 48. 

 Sta u rosperm u in . 



gracilli // /// , 2 1 . 

 Stigeoclonintn, 74. 

 falklandicutii. 75. 



Z-. longearticulatimi, 75. 

 longearticulaium, 75. 

 Struvea, 87. 

 anastomoans, 87. 

 elegans, 87. 

 Tftracoccus. 



botryoides, 52. 

 Tctradesiiuis, 52. 



witcoosinensis, 52. 

 Tetraedron, 35. 

 rthrodesmiformr. 



v. lobulatum, 40 

 caudatuin. 



v. longispinum, 38. 

 floridense, 39. 

 hastatutn, 40. 



v. palatioam, 40. 

 liinncticum, 39. 

 lohulatuin, 39. 



v. polyfurcatutn, 39. 

 obennm. 38. 

 pcntaedricum, 38. 

 planet onicum. 39. 

 proteifortnr. 39. 

 pusillum, 39. 

 r eg u tare. 



T. incus, 37. 



v. torium, 38. 

 pinulosum, 38. 

 tetragonum. 



f. arthrodemi forme. 40. 

 tort urn. 38. 

 trigonnm. 



v. setigerum, 37. 



victoriae, 40. 

 Tetrapedia. 



setigera, 37. 

 Tetraspora, 73. 

 Tetrastrum, 52. 



apiculatutn, 52. 



staurogeniacformtf, 52 

 Tribonema, 3. 

 Tyndarttl, a. 



conspicua, 7. 

 Udotea, 91. 



flabellum, 73. 



toitientosa, 91. 

 Ulothnv. 



irregulariSt 56. 

 Valonia. 



macrophysa, 87. 



tttricularis, 87. 

 f. Crustacea. 86. 



verticillata, 86. 

 Vaucheria. 



geminata. 



v. depressa, 92. 



uncinata, 92. 



Woroniniana. 



f. pendula, 92. 

 Volvox, 23. 



aurea, 23, 24 



glohator, 23, 25. 



perglobator, 25. 



spermatospbara. 24. 



Weisstnanniana. 24. 

 Westella. 52. 



botryoidea, 52. 

 /.ygnema. 



chalybeosperniutn, 7. H 



Collinsiatiuni, 8. 



cruciatum. 



v. coeruleutn, 8. 



cylindricum, 8. 



decuasatani, 8. 



ericetorujii. 9. 

 v. terrealre, 9. 



intigne, 8. 



pectinatum, 7. 

 v. cOOJipicumn. 7 

 v. crattum. 7 

 ,-. dtftnsatutn. K. 



peHoaporuni, 8. 19 



rhychomema, 8. 

 Xygogonium. 



f riff forum, 9. 

 v , terrestrt, 9. 



/att'f, 19. 



