FRESH-WATER FISHES OF LIBERIA—SCHULTZ 303 
Psettus sebae has been reported from the mouth of the Messurado 
River by Hubrecht* and by Steindachner.*? Fowler #* records one 
_ from Monrovia and Boulenger ™ one from Nanna Kru. 
Steindachner reported Cynoglossus senegalensis” and Caranx 
| carangus *° from the mouth of the Messurado River. 
Pristipoma jubelint was reported from the mouth of the Messurado 
River by Hubrecht ?* and by Boulenger ** from Nanna Kru. 
Pellegrin * described a new blind eel, Typhlosynbranchus boueti, 
_ from near Monrovia. 
Dr. Mann’s collecting localities can be identified by reference to the 
information set forth in the following paragraphs, and to the map, 
figure 37. The distances indicated below were based on a 1938 map 
_of Liberia prepared and printed by the Institute of Geographical Ex- 
_ ploration, Harvard University.?° 
Bendaja, Liberia, is situated about 25 miles inland near the Mano, 
.or Gbea, River. Collections made May 14 to 27, 1940. 
| Bellyella, Liberia, is in the St. Pauls River drainage, about 100 
_miles inland from Monrovia; March 23 to 80, 1940. 
_ Bromley is but a few miles above the mouth of St. Pauls River; 
June 6 to 8, 1940. 
Gibi Mountain is between the Farmington River and the Borlor 
River, about 85 or 40 miles from the mouth of the latter. The fish 
i were taken at about 900 feet elevation; April 10 to 16, 1940. 
| Harbel, Liberia, is the name of the Firestone Plantation in the 
| district between the lower part of the Du River (= Du Queah-Junk 
| River) and the Borlor-Farmington Rivers; March 10 to July 17, 1940. 
( 
Family POLYPTERIDAE 
KEY TO THE SPECIES OF POLYPTERUS FROM LIBERIA 
| 
1a. Scales in front of first dorsal spine 23 to 29 (26 to 29 in my specimens) ; dorsal 
V-IX, 16 to 18; anal 12 to 15; scales 52 to 57 ; 83 to 40 around middle of body 
(33 to 86 in my specimens) ; no black spot on base of pectorals, as described 
Dye Bo mlene ere Saas oa eee ea is Polypterus paimas Ayres 
1b. Seales in front of first dorsal spine 30 to 33; dorsal VI to IX, 18; anal 12 or 
13; scales 55 to 60; 36 to 88 around middle of body ; no black spot on base of 
pectorals. (This species may be the same as palmas.) 
Polypterus lowei Boulenger 
1 Notes Leyden Mus., vol. 3, p. 71, 1881. 
12 Tbid., vol. 16, p. 19, 1894. 
18 Proc. U. S. Nat. Mus., vol. 56, p. 248, 1919. 
144 Cat. fresh-water fishes Africa, vol. 8, p. 124, 1915. 
15 Notes Leyden Mus., vol. 16, p. 50, 1894. 
16 Tbid., p. 20. 
17 Notes Leyden Mus., vol. 3, p. 71, 1881. 
18 Cat. fresh-water fishes Africa, vol. 3, p. 126, 1915. 
19 Compt. Rend. Acad. Sci. Paris, vol. 174, pp. 884, 885, 1922. 
2T am very grateful to the Geographical Institute of Harvard University for permission 
to trace the river systems on that map, and to insert the localities of Dr. Mann and others. 
