Report Of The Geological Survey Of Ohio PDF Download

Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: bones confluent with it, Bo that in itself it comprehends part of tarsus as well as all of metatarsus. Tarsus. The ankle bones collectively. In birds there are no persistently separate taraal bones, since the two proximal ones are confluent with the extremity of the tibia, forming its so called malleoli, and the distal one anchyloses with the metatarsus, leaving the tarsal joint between them, as in reptiles, not between the tarsal bones and the tibia, as in mammalia. But in descriptive ornithology, the whole segment between the tibia and the toes, commonly called the shank, is usually called tarsus. Tectrtces. Coverts; the smaller feathers, either of wing or tail, but especially of the former. Tenuirostral. Slender-billed. Tei'iiuh, Tertiaries. Large inner quills of wings growing from hnmerns or elbow. The two or three longer inner true secondaries are often incorrectly called tertials, especially when distinguished by size, shape, and color from the rest of the second' aries. Tibia. Principal and inner bone of leg between knee and heel; the shin bone. Tomium, pi. tomia. The cutting edge of the bill. Toti)iahnatt: Having all four toes webbed. Truncate. Cut squarely off. Type. Way; plan; mode. Also, sign or symbol. The type, or typical form, of a gronp is that which exhibits a given set of characters most perfectly. But the type of a genus is usually the species, if any, from which the generic characters were especially drawn up, without reference to such qualification; while, furthermore, the type of a species, in current acceptation, is merely the specimen from which the species was originally described; even though it may very inadequately represent such species. Typical. Of most usual structure; adhering strictly to a given plan of structure. ...