49 BIRDS OF NEW ZEALAND. 
112. STERNA CASPIA. Pall. C..M 
Caspian Tern. 
S. strennua. GOULD. 
Wuitr, with the back and wings ash grey ; top of the head, black in 
the spring, but white, spotted with black, during the rest of the year ; 
bill, red ; legs, black. 
eos W.16; Bodo Doe 
Egg.—Greyish white, sparingly spotted with dark grey and brown ; 
length, 2°6 ; breadth, 1°75. 
North America, South Africa, Australia, South Europe, India. 
118. STERNA FRONTALIS. Gray. C.M. 
Sea Swallow. Tara. 
S. longipennis. FINSCH. 
Wuite ; back and wings, ash ; top of the head, black ; a white line 
over the bill ; bill, black ; legs and feet, reddish brown. 
Hoe toy:” Wo LOro si by 2 Oy, OBO. 
Egg.—Yellowish brown, blotched with grey and black ; length, 1:85 ; 
breadth, 1°35. 
Both Islands. 
114. STERNA ANTARCTICA. Forst. C.M, 
Common Tern. 
Hydrochelidon albostriata. GRAY. 
AsuH grey ; white over the tail; top of the head and back of the neck, 
black, margined with white ; tail, ash grey ; bill, orange ; legs, red. 
lei SW. OS Bi Poy Ps 275: 
Egg.—Yellowish grey, spotted with grey and brown; length, 1:5; 
breadth, 1:1. 
Both Islands. 
115. STERNA NEREIS. Gould. | Cy.M. 
Little Tern. 
S. minuta. FINSscH. 
Asu grey ; forehead and over the eye, white ; a spot before the eye, and 
top of the head, black ; tail, white ; bill and legs, orange. 
le 9 Wheto thio sek, elk 
