Plunge diving of blue-footed booby

Plunge diving of blue-footed booby

Plunge diving of blue-footed booby filmed by video camera data logger

Plunging dive of brown booby

A northern pintail diving at the time of bathing

Synchronous diving behavior of Adelie penguins

A pair of Eurasian Wigeons feeding by diving

Synchronous diving behavior of Adelie penguins (high quality)

Chicks of eastern spot-billed duck diving and swimming underwater

Rest and rumination of sika deer

Hikouki to sensuikan no hanashi

Kuchikukan to sensuitei : oyobi suijou hikouki

Chicks of little grebe trying to dive and swim underwater

Lithograph of Water Made of Lines, a Green Wash and a Light Blue Wash

Lithograph of Water Made of Thick and Thin Lines, a Green Wash, a Light Blue Wash, and a Dark Blue Wash

Lithographic Water Made of Lines, Crayon and Two Blue Washes

Landscape with the Rest on the Flight into Egypt

Wrestling of a father and his son

飛行機と潜水艇 (一〜六) : 空中文化と海底文化の開発

空を飛び海を潜る兵器界の新威力 : 飛行潜水機を独逸で発明目下秘密裏に研究中

The Blue-stockings 18: Oh my idolised Victor... a poetic idea has come to me!..

福岡県の水産業と戦後経営 : 休戦の齎らした好影響と漁業家の意気込み

Before coming to Japan, Lafcadio Hearn spent two years on Martinique in theWest Indies. A swimmer diving into the azure sea

伸びゆく鵬翼　世界の水凖に迫る航空路一万キロ : 新設八線と飛行士の養成 : 逓信省の意気込み

次の大戦と国防問題 (上) : 空軍及び潜水艦の偉力 誤まれる米国の建艦計画