598 MR. P. L. SCLATEK ON THE [June 27, 
prefer to use one generic name for the whole, arranging them as 
follows :— 
A. Species orbis antiqui. 
a. Cauda furcata. 
1. CypsELUS MELBA. 
Hirundo melba, Linn. 
H. alpinus, Scop., Levaill. Afr. pl. 43, undé Cypselus gutturalis, 
~ Vieill. 
C. alpinus, Temm. 
C. melba, Gould, B. Europe, pl. 35. f. 2; Blyth, Cat. p. 85; 
Jerdon, B. Ind. i. p.175; Grill, Zool. Ant. p. 41; Tristram, P.Z.S. 
1864, p. 431. 
Fuscus : gutture et ventre albis : torque cervicali fusco : long. tota 
8:0, ale 8°7, caude 3°5, rectr. ext. 3°5, med. 3°0 poll. Angl. 
Hab. Central and Southern Europe, Africa north of the Atlas, 
and South-western Asia, as a summer visitant ; Crimea and eastern 
coasts of Black Sea (Demidoff); Palestine (Tristram); Algeria 
(Tristram § Loche); South Africa, Cape Colony (Victorin § Levaill.); 
India, Central and Southern (Jerdon) ; N.W. Himalayas and Cash- 
mere (Adams). 
2. CYPSELUS ZQUATORIALIS. 
Cypselus equatorialis, Mill. Naum. 1851, iv. p. 25, et Ois. d’Afr. 
pl. 7. 
C. rueppellii, Heugl. Journ. f. Orn. 1861, p. 421? 
“‘ Magnitudine C’. melbe, colore C..apodis” (Miller et Heuglin, 
Uie:)s 
Hab. Highlands of Abyssinia (Mill.) ; High plains of Woggara, 
Central Abyssinia (Heuglin). 
I have not myself seen examples of this species; but Mr. Otto 
Finsch, of Bremen, who has examined Heuglin’s specimens, has 
kindly furnished me with the following note upon them. 
Minor quam C. melba, et ventre non albo: supra fumido-brun- 
neus, aliquot metallice resplendens: subtus dilutior, mento 
pallidiore, et plumarum marginibus pallidioribus : long. al.7°9, 
caude furcate rect. ext. 3°3, med. 2°4. 
3. CyPpsELUS APUS. 
Hirundo apus, Linn. 
Cypselus murarius, Temm. 
C. apus, Blyth, Cat. p. 35; Jerdon, B. Ind. i. p. 177; Gould, B. 
Europe, pl. 35. f. 1; Grill, Zool. Ant. p. 41; Radde, Reisen, ii. 
p. 130; Tristram, P. Z. 8. 1864, p. 431. 
3. Fuliginoso-niger, gula alba: long. tota 6°8, ale 6°6, caude 
rectr. ext. 3°0, med. 2°0. 
2. Paulo minor. 
Hab. Europe and Northern and Middle Asia, as summer visitant ; 
