262 Rhodora [DECEMBER 
esses 32-48.5 p, isthmus 7.5-9.5 p. Intervale! This variety is 
described simply as North American by the authors so that this rec- 
ord is the first with a definite locality. The specimens are in every 
way like the type of the variety except for slight variations in meas- 
urements. 
* S. BOTROPHILUM Wolle. Length 46-50 m: breadth 34-40 n: 
isthmus 9.5-11 4. North Woodstock, common ! 
S. BRASILIENSE Nordst. Length with spines 133 a, without 75 p: 
breadth with spines 120 p, without 63 m: isthmus 33 p. Pudding 
Pond, North Conway! One specimen was noted which was five 
armed in end view. 
S. CERASTES Lund. Length 56 u: breadth with processes 46 p: 
isthmus 11 w. Pudding Pond, North Conway (H. C. no. 122)! 
This agrees in every way with the original figures of Lundell. 
* S. CLAVIFERUM W. & G. S. West. Length 36 p: breadth with 
processes 42 p, without 34 p: isthmus 12 4. Squam Lake! This 
again gives a definite locality for a species recorded simply as North 
American. 
* S. CONCINNUM W. & G. S. West. (S. forfículatum Wolle ’92.) 
Length 45 u: breadth 72 u: isthmus 12 p. Intervale! 
* S. CORNIGERUM Roy & Biss. Length 38 u: breadth with spines 
41 p: isthmus ro 4. Pudding Pond, North Conway (H. C. no. 151)! 
Intervale! New to U. S. 
S. ECHINATUM Bréb. Length 42 p: breadth 34 p. Pudding 
Pond, North Conway ! 
S. FORFICULATUM Lund., var. ENOPLON West. (S. crescentum Hast- 
ings) Dover ( Wod/e). 
S. GRACILE Ralfs. Breadth with processes 50-62 p: isthmus 10.5 p. 
Pudding Pond, North Conway ! 
S. GRANDE Bulnh. Length 70 p: breadth 65 4: isthmus 15 y. 
Intervale! Meredith (Jonson). 
S. JouNsour W. & G. S. West. Length 45-56 p: breadth with 
processes 82-102 mw: breadth at base 14-18 p: isthmus 8-9 p. Inter- 
vale, common! Meredith, Holderness, Laconia ( Wests). 
S. LACONIENSE W. & G. S. West. Length 31 p: breadth with 
spines 48-53 m: without 38 m: isthmus 12 4. Pudding Pond, North 
Conway! Laconia ( Wests). 
S. LEPTACANTHUM Nordst. Length with processes 84 u, without 
34: breadth with processes 65 u, without 22 4: isthmus 11 q. Pud- 
