dibhole (dibhol)

In coal- mining, the lowest part of the mine, and especially of the shaft, into which the water is drained or conducted so that it may be raised to the surface by pumping or otherwise. [Lancashire, Eng.] Called sump in Cornwall and in the United States, and lodge in various coal-mining districts of England. diblastula (di-blas tū-là), n.; pl. diblastulæ (-lē). [NL., II. n. One of the Dibothriida ; a tapeworm with only two facets or fo ettes on the head, as in the genera Dibothrium and Bothriocepha lus . The broad tapeworm, Bothriocephalus la tus , is a dibothrian. Dibothriidæ (di-both-ri'i-dē), n. pl. [NL., A whole lobe or arm of a Decapod or Octopod Dibranch. E. R. Lankester , Encyc. Brit., XVI. 674. Dib ranch i at a (di-brang-ki-a'tä), n. pl. [NL., neut. pl. of dib ranch i at us: see dibranchiate.] An order of aceta buliferous cephalo pods, containing the decapod and octopod Cephalopod a. It is one of the prime divisions of Cephalopod a (the other being Tetra branch i at a ), having two gills in the mantle-cavity, from 8 to 10 arms bearing suckers, a com IMG:content-2575.jpg:[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][ocr errors] plete infundibulum or funnel, and usually an ink-bag, with, or more frequently without, a 9shell. (See cut under ink-bag.) All the living cephalopods, excepting the pearly nautilus, be long to the Dib ranch i a ta, such as cuttlefishes, squids, calamaries, etc., together with the paper nautilus. (See cuts under argonaut and Argonau tid a.) Belemnites are fo il forms of the order. The order is generally divided into two suborders, Octopod a or Octo cera, and Decapod a or Decacera. Also called Crypto dib ranch i at a. See also cuts under belem nite and cuttlefish. dibranchiate (di IMG:content-2576.jpg:[merged small][merged small][merged small][merged small][ocr errors][merged small] Female Cuttlefish ( Sepia of ficin a lis ), illustrating anatomy of Dibran IMG:content-2577.jpg:[graphic] chiata. 1, 2, 3, 4, 5, the produced and modified margins of the foot, constituting the so-called arms or brachia; a , buccal ma , with lips, jaws, and tongue;, esophagus; c, salivary gland; d, stom ach; e, pyloric cæcum f, infundibu