species to permit the generalization that the cycle on Lisianski is the 
3tn« as on Kure. However, the limited data available for Lisianski suggest 
' cat the cycle there is, indeed, similar to that on Kure. r 
- % 
M ovement : An adult banded on Sand Island, Johnston Atoll, about 650 miles 
to the southeast, in September 1965,v&s recovered on Lisianski in August 
4#. * / 
I c >64, and several orange-tagged “birds from the former atoll have been 
observed, but not captured,on Lisianski. 
Other Specimens : USNM 191503, no sex or date; USNM 191504, no sex or date; 
USNM 191505, ho sex or date; USNM 191506, no sex or date; USNM 300584, cf, 
19 May 1923; USNM 300585, ?, 19 May 1923; USNM 300586, 9, 16 May 1923. 
POBSF Specimen : USNM 495461, 9, OVary 8x5 mm. largest ovum 2 mm., 16 
, , j , •. . _ 
July 1965. v ' 1 
Gray-backed Tern (sterna lunata ) 
Current Status: Breeds annually. 
tio 
Prior Records : The species was first recorded for Lisianski by Henry 
" 111 n rrr*^ ^ 
- • Jr* 
Palmer (Rothschild, op. cit.), who found a few in late June 1891. About 
500 birds were found in company with Sooty Terns .in March 1915 (Munter, op. 
it.). One bird Was found on an egg at the edge of a frigate colony. In 
May 1923 about 250 pairs had eggs and nestlings in the bunchgrass tract at 
the northern end of the island (Wetmore, unpub. notes, 1923)* Richardson 
(pers. comm.) found about 300 there in March 1954. Woodside and Kramer (op 
cit.) found a few on eggs in March 196l v ' 
V 
, Population : The species has been common on four <3f the six P0BSP visits to 
the island. About 200 adults were found in March 1963, and 500 were estimated 
^ S • 
. - - ’ r_ ■ . -! ■ ' . */■ 
to be present in March 1964. In August 1964 only three adults and two 
immatureB were seen, and the species was not noted the following month. On 
