R.D Kirkpatrick 1964 Catalogue Sand Island, Johnston Atoll, Pacific Ocean Dec 480 ♂ Mus musculus 163-88-19-12 = 12.9 gm. 9 USNM Field # 25232; skull, eyeballs, flat (cont) skin, stomach saved; molt on right shoulder; testis (abdominal) - 5 x 4 mm., no ♂, ♀ tubules 481 ♂ Mus musculus 153-82-17-12 = 12.5 gm. USNM Field # 25233; skull, eyeballs, flat skin saved; no molt; testis (scrotal) - 7 x 5 mm., ♂, ♀ tubules present 482 ♀ Mus musculus no measurements; 8.4 gm. USNM Field # 25234; skull, eyeballs, flat skin, stomach saved; molt across face, posterior back and hind quarters; ovary minute 483 ♀ Mus musculus 151-77-18-12 = 10.5 gm. USNM Field # 25235; skull, eyeballs, flat skin, stomach saved; molt on posterior part of body; ovary 3 x 2 mm. 484 ♂ Mus musculus 142-79-17-11 = 7.7 gm. USNM Field # 25236; skull, eyeballs, flat skin, stomach saved; no molt; testis (abdominal) - 4 x 2 mm., no ♂, ♀ tubules 485 ♂ Mus musculus 154-83-18-12 = 11.3 gm. USNM Field # 25237; skull, eyeballs, flat skin, stomach saved; molt on tail and head; testis (abdominal) - 4 x 3 mm., ♂, ♀ tubules present 486 ♂ Mus musculus 153-87-18-11 = 9.5 gm. USNM Field # 25238; skull, eyeballs, flat skin saved; no molt; testis (abdominal) 5 x 3 mm., no ♂, ♀ tubules present