Table B. 



COMPARATIVE CHART OF SPECIES OF SPARGONOPHILUS. 



To face page 154. 



Habitat 



Length and width . 



Seta 3 and 4 



Clitellum 



Tuherciila puberlatis. 



Spermiducal pore. 



Spermathecce . 



Sperm-sacs . 



Prostates 



Anterior nephridia 



commence in . 



Septal glands in . 



Parietal ccelomic 



gland in Hi. 



Blood sinus in the 



sacculated intestine . 



Hearts . 



Capillaries on the ne- 

 phridia and in the 

 body-wall 



tamesis Benham. 

 England, Thames. 



7 to 10 cm. 



Ventral. 



ixv-Jxxv. 



xvii-xxii, ventral to 

 spermiducal pore. 



Between xviii/xix, dor- 

 sal to tubercula puber- 

 tatis; so are the sperm- 

 ducts. 



Slender; one pair in each 

 of somites vii, viii, ix; 

 ventral in line with 

 3 and 4. 



In xi and xii, minutely 

 lobulate. 



Not present. 



iv, V, vi; the posterior 

 are the largest. 



Absent. 



Continuous. 



viii, ix, X, xi; not filling 

 the ccelomic cavity. 



Very numerous. 



Eiseni Smith. 

 Illinois River, U. S. A. 



18 to 20 cm. by 2 mm. 



Dorsal. 



Dorsally ixv-xxv; 

 ventrally ^xiv-xxvi. 



Jxvii-Jxxii, ventral to 

 the spermiducal pore 

 and to the spermducts. 



On anterior part of xix, 

 dorsal to the tubercula 

 pubertatis; so are the 

 spermducts. 



One pair in each of so- 

 mites vii, viii, ix, dor- 

 sal in line with 3 and 

 4; slender. 



In xi and xii, minutely 

 lobulate. 



Four pairs in xxiii-xxvi. 



iv, V, vi. Those in iv 

 audv about equal size; 

 the one in vi is very 

 diminutive. 



One pair of glands open 

 in front of ventral setse 

 in iii; distal end ex- 

 tending into iv. 



Continuous. 



In viii, ix, x, xi not fill- 

 ins the ccelom. 



Very numerous. 



Benhami n. sp. 

 Tepic, Mexico; 4,000. 



17 cm. by 2\ mm. 



Dorsal. 



Dorsally xv-^xxv; 

 ventrally xvii-xxvi. 



xviii-xxii, ventral to 

 spermiducal pore and 

 to spermduct. 



On anterior part of xix, 

 dorsal to tubercula pu- 

 bertatis. 



Bobust, trowel-like, with 

 wavy outline; one pair 

 in each of somites vii, 

 viii, ix; dorsal. 



xi, xii, less minutely 

 lobulate. 



Four pairs, one each in 

 xxiii-xxvi; a long mus- 

 cular basal duct. 



xii. The first two pairs 

 smaller; the first large 

 pair in xiv. 



iv, v, vi. About equal 

 in size. 



None. 



Continuous. 



viii, ix, X, xi, not filling 

 the coelom. 



Very few. 



guatemalensis n. subsp. 

 Guatemala. 



10 cm. by 2 mm. 



Dorsal. 



xvi-xxvi. 



Parallel ridges, xviii-xxii 



carneus n. subsp. 

 Mississippi Eiver, Iowa. 



9 cm. by 2 mm. 



Dorsal. 



Dorsallj' xv-xxiv; 

 ventrally ? ' 



Bobust, trowel-shaped, 

 with smooth outline, 

 in vii, viii, ix. 



Foiir pairs in xxiv, xxv, 

 xxvi, xxvii. 



None. 



viii, ix, X, xi, not filling 



the coelom. 



Dorsal, one pair in each 

 of somites vii, viii, ix. 

 Apical end globular, 

 not trowel-like. 



xi and xii, lobulate, but 

 not minutely so, as in 

 Sp. Eiseni. 



Present; four pairs in 

 xxiii, xxiv and prob- 

 ably in xxv and xxvi. 



iv, T, vi; the one in vi 



the smallest. 



None. 



viii, ix, X, xi, completely 

 filling the coelom. 



Numerous and large; on 

 the body-wall very nu- 

 merous in the six an- 

 terior somites. 



Smithi n. sp. 



Laguna Puerca, San 

 Francisco, California. 



20 cm. by 3J mm. (or less) 



Dorsal. 



Dorsally ^xvi-xxviii; 

 ventrally xix - xxv . 



xix -xxvii, dorsal to 

 spermiducal pore. 



Between xviii/xix, ven- 

 tral to tubercula pu- 

 bertatis. 



Slender; four pairs (8) 

 in each of somites vii, 

 viii, ix, dorsal and lat- 

 eral; oue pair only in 

 vi dorsal. 



xi and xii, more lobulate 

 than in Benhami, but 

 less so than in Eiseni. 



Three pairs, one each in 

 somites xii, xiii, xiv; 

 no muscular duct. 



In iv, V, vi, vii; about 

 equal in size. 



None. 



Not continuous. 



viii, ix, X, xi, quite small, 

 not filling the coelom. 



Numerous, giving the 

 nephridia a pink color. 



Sonoma: n. subsp. 

 Sonoma Valley, California' 



25 to 30 cm. by 3J mm. 



Dorsal. 



Dorsally xvii-xxviii; 

 ventrally xvi-xxix. 



xix-xviii, dorsal to 

 spermiducal pore and 

 to spermduct. 



Between xviii/xix, ven- 

 tral to tubercula p\iber- 

 tatis. 



One pair in vi; two pairs 

 (4) in each of somites 

 vii, viii, ix; not slender. 



xi and xii, more lobulate 

 than Benhami, but less 

 than Eiseni. 



Three pairs in xxii, xiii, 

 xiv. 



iv, V, vi, vii, about equal 

 in size. 



None. 



Not continuous. 



viii, ix, X, xi, quite small, 

 not filling the ccelom. 



Very numerous. 



