. Bulletin. Science; Natural history; Natural history. 7972 KEY TO THE CERCAR1AE Of CALIFORNIA HOR in U. SNAILS. Figures 12-18. 12. 17. Echinostomids. 13, 14. Ren- icolids. 15. 16. 18. Heterophyids. spindalis Martin. 1951 (Fig. 6). Develops in rediae, encysts in gills of Fundulus parvipinnis, adults experimentally in intestines of chicks and cats. Life cycle described by Martin (1964). a. With stylet (small "spear") near mouthâ Microphallids 1 and 2. 1. Develops in sporocysts (Fig. 7). Larger than 2. 2. Develops in sporocysts (Fig. 8). Smaller than 1. Sarkisian (1959) described Marit
. Bulletin. Science; Natural history; Natural history. 7972 KEY TO THE CERCAR1AE Of CALIFORNIA HOR in U. SNAILS. Figures 12-18. 12. 17. Echinostomids. 13, 14. Ren- icolids. 15. 16. 18. Heterophyids. spindalis Martin. 1951 (Fig. 6). Develops in rediae, encysts in gills of Fundulus parvipinnis, adults experimentally in intestines of chicks and cats. Life cycle described by Martin (1964). a. With stylet (small "spear") near mouthâ Microphallids 1 and 2. 1. Develops in sporocysts (Fig. 7). Larger than 2. 2. Develops in sporocysts (Fig. 8). Smaller than 1. Sarkisian (1959) described Maritrema uca from fiddler crabs, Uca crenulata (Locking- ton), collected in the same area where the two above microphallid cercariae are found. Apparently one of the above encysts in this crab. Heard and Sikora (1969) placed this species in the genus Probolocoryphe. b. Without a stylet 9 a. With pouch opening at end of tail 10 b. Without pouch opening at end of tail ._ 11 10. a. Willi spincd collai Parorcl canthu (Nicoll, 1906) (Fig n , Devi lo| ency i on almo I any object, adull ni '.linn- birds, I lb- â â Ic di Stunkard and ' able (19 P was declared a synonym 'â ! /' acuniliu < able and Martin (1915). I I,;,.. infections in chicks by injecting Ihi m with metacercariae per cloaca bul il»- pen enl success is low. 'I his cercaria is largci than 10b b. Withoui spined collai Cloacltrema n ganensis Mcintosh, I91K (Fig, 9). Develop-, in rediae, encysts on almost any object, adults in cloaca of shore birds. Life cycle outlined by Robinson (1952). I have established in- fections in chicks by injecting them with metacercariae per cloaca but the percentage of success is low. II. a. With spined collar b. Withoui spined collar 12 13 12. a. in radular muscleâAcanthoparyphium spinulosum Johnston. 1917 (Fig. 10). De- velops in rediae. encysts in Cerilhidea call- fornica especially in radular muscles, adults experimentally in intestine of chicks. Life cycle described by Martin
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