Appendicular i a (a pend i kula ria)

[NL., fem. of appendicular i us: see appendicular.] 1. The typical genus of the family Appendiculariida. A. flabellum is about one fifth of an inch long, exclusive of the tail, with an oval or flask-shaped body, and has the power of rapidly secreting a mucilaginous cuticular investment in which it becomes incased. 2. [ l. c.; pl. appendicular iæ (-ē).] A member of the above genus. The simplest members of the [ascidian] group, and those the structure of which is most readily comprehensible, are the Appendicular iæ ; minute pelagic organisms, which IMG:content-0984.png:[merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][subsumed][merged small][ocr errors][subsumed][ocr errors][subsumed][subsumed][subsumed][merged small][subsumed][merged small][subsumed][subsumed][subsumed][subsumed] I, the entire animal, with the caudal appendage forward in its natural position; II, side view of body, the appendage forcibly bent backward: A , body; B , appendage; a, mouth; b , pharynx; c, an atrial opening; d, the corresponding stigma with its cilia; e, anus; f, rectum; g , esophagus; h, i, stomach; k, testis; 2, urochord; m, cellular patch at side of oral end of body; n, endostyle; 4, ganglion; 4, ciliated sac;, otocyst; s, posterior nerve, with t , its ganglia; en , endoderm; ec , ectoderm. Appendicular iæ (ap-en-dik-ū-lā'ri-ē), n. pl. Same as Appendiculariida. appendicularian (ap-en-dik-ū-lā'ri-an), n. [ A