F.D. Kirkpatrick 1964 Catalogue Sand Island, Johnston Atoll, Pacific Ocean Dec 494 ♀ Mus musculus 146-76-17-12=11.2 gm. 10 USNM Field #25246; skull, eyeballs, flat (cont.) skin, stomach saved; no molt; ovary 2x2mm 3 minute embryos in right horn, 1 in left. 495 ♀ Mus musculus 151-79-18-12=10.2 gm. USNM Field #25247; skull, eyeballs, flat skin, stomach saved; no molt; ovary 3x1mm. 496 ♂ Mus musculus 142-79-18-13=12.2 gm. USNM Field #25248; skull, eyeballs, flat skin, stomach saved; testis (abdominal) 6 mm, no s. s. tubules present 497 ♂ Mus musculus 147-77-17-12=12.7 gm. USNM Field #25249; skull, eyeballs, flat skin, stomach saved; testis (scrotal) 7 mm, no s. s. tubules present Johnston Island, Johnston Atoll, Pacific Dec. 498 ♀ Mus musculus 140-71-16-12=12.2 gm. 23 USNM Field #25288; ovary 4 mm.; 5 embryos 11 mm crown-rump 499 ♀ Mus musculus 155-81-18-12=16.5 gm USNM Field #25289; 6 embryos, 15 mm crown- rump; ovary 4 mm. 500 ♀ Mus musculus 141-69-15-12=11.7 gm. USNM Field #25290; ovary 4 mm. Lactated recently