4 One Thousand Objects 



650. SEA-THREAD CORALLINE (Laomedea dichotomd). 

 Stem thread-like and wavy, from twelve inches in length, 

 branched in an alternate manner. Cells bell-shaped, 

 seated on ringed stalks or peduncles. Common on old 

 shells. (PI. VIIL, fig. 20.) 



651. KNOTTED-THREAD CORALLINE (Laomedea genicu- 

 fata). Clustered, with thread-like, seldom-branching stems. 

 Cells bell-shaped, seated on ringed stalks or peduncles. 

 Parasitical on seaweeds near low-water mark. 



652. CLIMBING-BELL CORALLINE (Campamilaria volu- 

 bi/is). Stem creeping, thread-like, very small. Cells on 

 long, slender, ringed stalks or peduncles, somewhat bell- 

 shaped, with a toothed margin. Parasitical on other 

 zoophytes and seaweeds. 



653. CREEPING-BELL CORALLINE (Campamilaria sy- 

 ringa). With a creeping stem, slender and hair-like. 

 Cells long and narrow, seated on twisted peduncles. 

 Parasitical on small seaweeds and other zoophytes. 



654. HORNY-BELL CORALLINE (Campamilaria dutnosa). 

 Either bushy and erect or creeping; irregularly branched. 

 Of a horny texture. Cells long and tubular, and almost 

 or entirely without peduncles. On crabs, rocks, and 

 zoophytes in deep water. 



The following Polyzoa, though placed immediately 

 after Zoophytes, are of a higher order, and follow here 

 for convenience of reference : 



655. PURPLE TUBIPORE (Tubulipora serpens). Of a 

 faint purple or white, irregularly divided, flat, half an inch 

 in length, polyp-tubes in transverse rows. Commonly 

 adherent to zoophytes, old shells, and seaweeds. 



656. TUFTED IVORY CORALLINE (Crisia eburned). In 

 little bushy tufts of ivory whiteness, from one quarter of 

 an inch in length, on seaweeds and zoophytes. Branched 

 with cells in two rows, tubular, narrowed below, trans- 

 parent and granulous. 



657. GOAT'S HORN CORALLINE (Crisidia cornutd).* 

 Slender and erect, half an inch in height, one cell rising 

 upon the apex of another. Cells horn-shaped, with the 



