PLATE XLIV. 



FIG 



L HlPPOTHOA DIVAKICATA, p. 288. ScC PktC I. fig. 2. 



2 , single cell, to show the form of orifice. 



3. . , var. ft (carinata). 



4, ■, var. a (conferta). 



5. HlPPOTHOA TLAGELLUM, p. 293. 



6. . , zooecium, showing form of orifice, with 



ovicelligerous cells attached. 



7_ , nat. size. 



