The Bookshelf for boys and girls: Nature and Outdoor Life (1912)
University Society, New York · New York. : University Society · leaf 175
erthreatens it, it immediately inflates itself to sev-eral times its usual size, by short inspirations, theinflation being by absorption of water if the fishis submerged, and by air if it is at the surface.Scratching it underneath, or rapping it lightlywill cause it to discharge its load through… … THE PORCUPINE FISH. even folds, like accordion pleats, around the cir-cumference, the spines lying flat along the body.At the head where the thin skin is fairly attached,the spines are shorter, thicker and remain stand-ing upright in one position. This fish has no teeth, but the jaws, upper…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
Internet Archive · BYU–Idaho · Public Domain Mark 1.0. Free to use for anything.
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial361dodg-340-402.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial34dodg-470-587.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial392dodg-453-489.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial361dodg-340-403.webp)
