118 Rhodora [June 
mum breadth 44 u: apices 32 p. End with eight large bluntly 
pointed teeth, base with a suggestion of nodes. Pudding Pond, 
North Conway, frequent! Laconia, scarce (Wests). 
P. veRRUCOSUM (Bail) Lund. (P. tessellatum (Josh.) Lagerh., P. 
trochiscum W. & G. S. West.) Length, 420 p: breadth at base 28 p: 
at apex 22 4. End with six or eight teeth. From a study of Bailey's 
original notes it seems safe to place both of the above species as syn- 
onyms of P. verrucosum. Pudding Pond, North Conway, frequent ! 
P. NoposuM (Bail) Lund. = Length 290 p: breadth at isthmus 
27 p: maximum breadth 50: apices 34 p. Intervale, abundant ! 
Pudding Pond, North Conway! Noone’s Station! Laconia, not 
common (Wests) (H. J. no. 480). 
TRIPLOCERAS Bail. 
T. GRACILE Bail Length 490 4: breadth at base 25 u: at apex 
24 p. Pudding Pond, North Conway, frequent! Saco Lake (Wood). 
Laconia, common (Wests) (H. J. no. 649). 
* Var. montana var. nov. (PLATE 61, FIG. 6.) 
Variety with the apices with two simple processes, the base but 
six-radiate, whole form slender, apex considerably wider than the rest 
of the semi-cell. Length 360 4: breadth at base 16m: apex 22 p. 
Intervale! (H. C. no. 162.) 
T. vERTICILLATUM Bail. (PLATE 61, FIG. 7.) Length 505 m: 
breadth 40-47 m: apices with processes 53 q.  Intervale ! Pudding 
Pond, North Conway! Saco Lake (Wood). Laconia (Wests) (H. 
J. no. 649)! This was in all cases seen the form with two bidentate 
processes at the end. 
Var. TURGIDUM Wolle. Rochester ( Wole). 
TETMEMORUS Ralfs. 
T. Brepissonit (Menegh.) Ralfs. Length 189 pa: breadth 34 y. 
North Woodstock ! 
T. GRANULATUS (Bréb.) Ralfs. Length 178-236 m: breadth 36-42 
p: isthmus 29 p. North Woodstock! Intervale! Pudding Pond, 
North Conway! Noone’s Station ! 
